MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many links pointing to Shopify domains, likely for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is used to obscure the final destination. The embedded URL in the document body, 'https://ttraff.cc/pify?keyword=malaria+pathogenesis+pdf', confirms this redirection behavior. The ML classifier strongly indicated maliciousness.
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=malaria+pathogenesis+pdf In PDF document text
- http://files.sakonnetlighthouse.org/uploads/1/3/1/3/131383358/xasumodan_bulitiduwo_naxejebepasama_gilatof.pdfIn PDF document text
- http://files.clarygarden.org/uploads/1/3/0/8/130814926/5649465.pdfIn PDF document text
- http://files.cynthiabjorn.com/uploads/1/3/0/8/130814636/sumujexotisexipavora.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/1/0427/8140/9436/files/xezipalelazogixizeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6997/1363/files/35227634632.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4157/8399/files/clicker_heroes_coin_hack.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6899/5224/files/batman_hush_comic_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3685/9813/files/fenunadunotoxepagowuwenij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6105/9477/files/69623382572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6871/1321/files/jijazapanijipi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9403/2025/files/concept_of_validity_and_reliability_mcqs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0733/6857/files/sasunusemipazarisefeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6660/5219/files/23882122464.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5483/3557/files/wikonopimanuxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4267/6636/files/32055199109.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0707/4723/files/suniwaremalawopafemunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0426/4602/files/59192495648.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_off00011bc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC9 | 5096 bytes |
SHA-256: d3cb5d83aca1a34ac133c78684f3badd8d6a40fa9a22c2c31b6df49a813c58a1 |
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font_01_sfnt_off00012d17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D17 | 11000 bytes |
SHA-256: c6478372459a57e4bdf41a48a3dfaac05549c0b38031c91ffd09fd43d1666706 |
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font_02_sfnt_off000151ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151EA | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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