MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text that, combined with the heuristic 'SE_CALLBACK_LURE', suggests a callback phishing or tech-support scam pretext. The primary malicious URL is https://ttraff.cc/pify?keyword=lp+bblr+pada+bayi+pdf, which is likely used to redirect users to further malicious content. The presence of a link farm also indicates an attempt to artificially boost search engine rankings for malicious content.
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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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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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=lp+bblr+pada+bayi+pdf In PDF document text
- http://kaxovuba.love-your-mind.com/uploads/1/3/1/0/131070872/67b89ef.pdfIn PDF document text
- http://files.learningcafe.us/uploads/1/3/2/6/132696500/2709460.pdfIn PDF document text
- http://files.shimritlee.com/uploads/1/3/1/4/131437775/batanofe_bajijakaku_lulenafedokeso_bimapetivizin.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/8325/9285/files/sugakajurigilakirefa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2881/4760/files/2803943033.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4590/2746/files/9148895825.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6263/1326/files/cost_and_management_accounting_multiple_choice_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0193/8079/files/entrepreneurial_finance_leach.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8445/4817/files/kadilet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4444/6118/files/52035065888.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4863/9391/files/dinag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1797/7504/files/blender_2._79_reference_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7749/3146/files/7297225014.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ae85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE85 | 4416 bytes |
SHA-256: 28faff9dbb520ceb31783a616662122142d08de5c5b64b96c05b0f45ceabd0be |
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font_01_sfnt_off0000bd80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD80 | 10140 bytes |
SHA-256: d676ba3ffd98f201b0b21ce54e763373e09226692932b2b7a97e0f91a9aa711d |
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font_02_sfnt_off0000e025.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE025 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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