MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains multiple embedded links, with a critical heuristic firing indicating it points to known malicious redirector infrastructure. The document body, though partially corrupted, contains text related to 'children s tylenol dosing pdf' and includes the malicious URL, suggesting a lure for users seeking information. The presence of numerous external PDF links, many pointing to benign Shopify domains, alongside the malicious redirector, indicates a link farm strategy to obscure the malicious destination.
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.ru/pify?keyword=children+s+tylenol+dosing+pdf In PDF document text
- http://dotemax.helenissocial.ca/uploads/1/3/1/8/131856772/313a5.pdfIn PDF document text
- http://files.effectivemortgage.com/uploads/1/3/1/4/131407089/mafemidoxa.pdfIn PDF document text
- http://files.spearmintcleaning.com/uploads/1/3/2/6/132681293/manawisereke.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/1/0434/4800/8866/files/analysis_principles_in_software_engineering.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/97801307476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1713/2456/files/bleep_test_adalah.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3834/3322/files/zaranimefinunikajutozu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5277/7118/files/biochemistry_book_for_medical_students.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1028/5990/files/warunojokaxudafu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xakisone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6031/3768/files/advanced_strength_of_materials_nptel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4146/5244/files/59730504127.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1791/0946/files/fifty_shades_of_gray.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0649/2823/files/macbeth_sparknotes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9395/8560/files/35261319889.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0367/4785/files/zutin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3167/3502/files/94952798090.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006315.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6315 | 5100 bytes |
SHA-256: 0c938471a8381dcd6b0fe4fef5d0ca519729b182514d8211f00633e4ddc3e23b |
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font_01_sfnt_off00007470.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7470 | 9884 bytes |
SHA-256: e2df6563d4de03db28523d368c7d48884e79b41d4f138ddcc731726510b6058f |
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