MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link is designed to lead users to malicious infrastructure. Additionally, the PDF exhibits characteristics of a link farm, suggesting an attempt to manipulate search engine results or distribute multiple malicious links. The presence of a download button lure and a callback phone lure further supports a malicious intent, likely for phishing or scamming purposes.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.cc/pify?keyword=oxford+dictionary+english+to+bangla+pdf+download In PDF document text
- http://files.centrecollegialalberta.com/uploads/1/3/1/3/131380177/6114809.pdfIn PDF document text
- http://files.preacherrhetorica.com/uploads/1/3/1/3/131398036/7840310.pdfIn PDF document text
- http://bubewe.sandyfarms.com/uploads/1/3/0/7/130775934/gusopivedetufuwove.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6224/8095/files/miwapufibawapebunopitenax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1537/1932/files/swashbuckler_5e_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/22893269325.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/0073/6407/files/different_categories_of_communication.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5951/9387/files/91981214322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7487/1711/files/enfermedad_vascular_cerebral_isquemico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8962/5241/files/69030971002.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3341/9160/files/tomurerazamid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4701/0972/files/les_accents_exercices_corrigs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4975/3507/files/point_slope_to_standard_form_calculator.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006515.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6515 | 5848 bytes |
SHA-256: bc88c4f40aca2cea1442603381fb0076ac97bdf8d92296c8896809cbba7bc6b9 |
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font_01_sfnt_off00007909.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7909 | 13068 bytes |
SHA-256: bfb5faabcba67c0aceed49ccf5581c84c26a80791ab5ae5786d575d9d49c7153 |
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font_02_sfnt_off00009fc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FC9 | 14556 bytes |
SHA-256: 0526fc0759f3131ef62e3f4a58c9c8c786714ac6cd1792c267a734786fefd234 |
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font_03_sfnt_off0000cd2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD2D | 16092 bytes |
SHA-256: c9557d91917e40dbb2ce09b7ef560a04a9a832ffe2ebcac6b50408a58351272e |
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