MALICIOUS
194
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, 'https://ttraff.cc/pify?keyword=mcafee+antivirus+free++with+product+key', is designed to lure users into downloading potentially unwanted software or malware by impersonating a legitimate antivirus offer. The presence of a large number of external PDF links, many pointing to Shopify domains, suggests a link farm tactic to improve search engine ranking for malicious lures.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=mcafee+antivirus+free++with+product+key In PDF document text
- http://kevamanew.mrshuffreadingisfun.com/uploads/1/3/1/4/131452958/luzaxoxinusa.pdfIn PDF document text
- http://files.centerpointschool.org/uploads/1/3/1/0/131070137/zumurirofe_solelafipawo_nopokupi_bolilejidi.pdfIn PDF document text
- http://files.mistysaromaticboutique.com/uploads/1/3/0/9/130969731/vedilewusibegaguw.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/1/0431/7793/5004/files/right_triangle_trigonometry_worksheet_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9869/3013/files/sewing_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3569/5016/files/pobaluxapotudi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0002/0635/files/fivoloserigajixobumi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4372/4186/files/chemdraw_ultra_software_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/mipufuruwunog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7382/9032/files/im_missing_you_baby_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7500/9696/files/braille_script.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0766/2504/files/social_anxiety_dsm_5_criteria.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0380/3808/files/ariana_grande_focus_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7230/6846/files/65825799660.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7644/3543/files/vopogexirexiwefowarunesi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5503/7078/files/54333109033.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/43692268827.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
🗂 Part of campaign:
centerpointschool.org
5 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000050d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x50D6 | 5536 bytes |
SHA-256: 52b30dcf62bdf0f1aa2bc23647bdbec3aae2a76f083c9a6106b0bf6521d21428 |
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font_01_sfnt_off000063bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63BD | 9684 bytes |
SHA-256: e5f97f65ee844b65f1eea3f80cd7b7292e8614750557e4dc1631453bf32dd4d8 |
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