MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link that points to a URL designed to lure users into downloading further content. The presence of a 'download button' heuristic further supports this attack pattern. The document body contains garbled text, but the embedded URL and the heuristic firings clearly indicate a malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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=barron%2527+s+toeic+6th+edition++free In PDF document text
- http://files.christinarjackson.com/uploads/1/3/1/4/131438142/sexiw_badavixed_nanepasif.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/1/0433/0687/7080/files/4780083199.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6065/8333/files/norme_iso_9001_version_2020_afnor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0133/1364/files/lutowovajikitonumowi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1049/0519/files/french_learning_materials_for_beginners.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2651/3048/files/telumulewa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6255/0940/files/86804751377.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6657/files/9267103519.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3929/2577/files/tevurejewanemag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2665/3079/files/properties_of_absolute_value_inequalities.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9932/4580/files/46133622421.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/0183/9522/files/microsoft_interface_design_guidelines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7759/9383/files/28230398509.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7805/0211/files/interviewing_skills_training_for_managers.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B3B | 5312 bytes |
SHA-256: 550ef77f93ffffc0e446753771eb34718ea87351372f47963aa9c6b2abb8cd71 |
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font_01_sfnt_off00006d42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D42 | 14424 bytes |
SHA-256: a0907b49189b2eb669f09f2f091f44e006d5e7bc1a67d7a390fcaaaba7e04724 |
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font_02_sfnt_off00009af6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AF6 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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