MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'https://ttraff.cc/pify?keyword=anthropological+linguistics+an+introduction+pdf'. This indicates the document's primary purpose is to redirect users to malicious sites. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=anthropological+linguistics+an+introduction+pdf In PDF document text
- http://barupo.suzannedcorsey.com/uploads/1/3/0/8/130874655/demosujebul-ridujopikolakor.pdfIn PDF document text
- http://lusagir.potofgreenflorist.com/uploads/1/3/0/7/130775169/tovosemi-zikazi-pumujaxe-ribawanovewaf.pdfIn PDF document text
- http://files.rebekahmallen.com/uploads/1/3/0/7/130739265/pukavapedozakivaromu.pdfIn PDF document text
- http://files.offthepier.net/uploads/1/3/1/3/131398140/zufogokajewatazodizo.pdfIn PDF document text
- http://dowesexaf.kierstenmodglinauthor.com/uploads/1/3/0/7/130739024/bavil.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/1/0431/6856/3351/files/38653642009.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4223/4791/files/dotekipuwobarijifu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8523/4338/files/xisebo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2694/5947/files/chemistry_4th_edition_gilbert.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7853/3791/files/vapour_compression_refrigeration_system_nptel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0017/6544/files/curtis_ryan_honda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5865/8454/files/farew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3316/5986/files/kafemidunogeniwido.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8833/9361/files/vipuxodizenuriwanako.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1497/8718/files/1402984612.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3882/5887/files/mudimamalogev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9148/3042/files/36252147115.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9923/4203/files/zikopamazemamazor.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_off0000594f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x594F | 5408 bytes |
SHA-256: ab1190b5a7eea2353f1f8e46bcaaf5665d79f97657f538bf9188199e662ddb60 |
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font_01_sfnt_off00006baf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BAF | 9844 bytes |
SHA-256: d9dadea38d9c889520477a244caf5fdb459617384e602594eab3762f7a54c21f |
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