MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic identifying a malicious redirector at 'https://ttraff.cc/pify?keyword=dr+collins+pcat+study+guide+pdf'. This redirector is likely used to obscure the final malicious destination, which could be a phishing page or a malware download. The presence of a large number of links, many pointing to Shopify domains with seemingly random filenames, suggests an attempt to manipulate search engine results or distribute content through a link farm. The ML classifier also strongly indicated maliciousness.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=dr+collins+pcat+study+guide+pdf In PDF document text
- http://files.adamcohenstudio.com/uploads/1/3/1/0/131070933/zapul.pdfIn PDF document text
- http://files.mindfulnesstrainingsrc.com/uploads/1/3/1/4/131409090/06028820365f.pdfIn PDF document text
- http://files.nttechnology.net/uploads/1/3/0/9/130969904/juguxaxujaxite-vubozunim.pdfIn PDF document text
- http://files.seanlynchbooks.com/uploads/1/3/0/7/130775567/lagosufuxiwasif.pdfIn PDF document text
- http://files.linwoodfarmersmarket.com/uploads/1/3/0/7/130739117/tababezusunir.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/1/0437/2591/4262/files/lewipadawigovodezulivis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9901/2766/files/vogapudujejokawexugixi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5119/6314/files/xabaginipus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4343/8242/files/mimagenujazewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/11383010616.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6019/1637/files/kuzuduga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2499/7800/files/60598025075.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0151/1064/files/q13_news_live.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/muzaloxebomasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4815/7859/files/98514170353.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4008/0021/files/zobepabededikuwuful.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_off00007901.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7901 | 5424 bytes |
SHA-256: 81da98d41e2413b8d5735bb652876d398463923c40f60b754a3e4b63cf0658f9 |
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font_01_sfnt_off00008b8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B8E | 1800 bytes |
SHA-256: e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d |
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font_02_sfnt_off0000941c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x941C | 10936 bytes |
SHA-256: 3579d523717bb4f2854f146861533c01504fdeaa2250010c4665b4104b505189 |
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