MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, specifically `https://ttraff.com/pify?keyword=antibiotic+prescribing+guidelines+uk+dentistry`. This URL is presented to the user as a document title, likely to trick them into clicking it. The PDF also contains a large number of external links, many hosted on Shopify, which is indicative of a link farm or SEO poisoning tactic. The ML classifier strongly supports the malicious verdict.
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.com/pify?keyword=antibiotic+prescribing+guidelines+uk+dentistry In PDF document text
- http://files.freedominmotionat.com/uploads/1/3/0/8/130814234/5f2454.pdfIn PDF document text
- http://files.brigidvidler.com/uploads/1/3/1/4/131408738/8225.pdfIn PDF document text
- http://files.maahomestead.com/uploads/1/3/0/9/130969700/3179952.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/1/0431/7557/5709/files/kedazuxegibenezofuwe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8922/9979/files/wirimipesutorolubakovek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4910/6073/files/fabobozal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/1749/0847/files/46346398573.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/12729031526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0052/8033/files/87761151315.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4401/1168/files/he_hit_me_up_hey_ashley_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8960/0414/files/gososakogupenofegarefuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6200/9755/files/nirefa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8706/0375/files/jopudujovakepi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7901/6360/files/saints_row_2_gentlemen_of_the_row.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:
brigidvidler.com
6 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D77 | 5208 bytes |
SHA-256: 428411ae1c2ca83c65d61af9f6a85185654a7c29dd4c92dab1573eea7975ffe6 |
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font_01_sfnt_off00006f32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F32 | 10424 bytes |
SHA-256: 5dd6ff447523fa4032a2ac47f7dfced3e2f6a1b78ac763ecc263991b0498a1a1 |
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font_02_sfnt_off0000928a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x928A | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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