MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm or SEO poisoning attempt. One critical heuristic identified a link to a known malicious redirector, ttraff.ru, which is used in conjunction with a search query for setting a default Gmail account on Android. This indicates a phishing or social engineering lure. No scripts were extracted from this sample.
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.ru/pify?keyword=set+default+gmail+account+android In PDF document text
- http://mabafibag.nordoniadrama.com/uploads/1/3/0/7/130775386/zufaluv-dajivanaxot.pdfIn PDF document text
- http://galadarib.chachingbiz.com/uploads/1/3/1/3/131380005/6151213.pdfIn PDF document text
- http://files.rikkiducornet.com/uploads/1/3/1/0/131069824/c402b3c067.pdfIn PDF document text
- http://pukigebaz.nileswesttheatre.com/uploads/1/3/0/8/130813780/lelatisitiliru-zofojebi-begowumunulijas.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/1/0428/2590/8383/files/3717458695.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7338/8190/files/2151183140.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6402/5493/files/84694460580.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tufajotojitumawudawemir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2773/2379/files/apprendre_le_japonais_pour_dbutant.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2607/8101/files/2615605620.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2232/6696/files/lipepoler.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7567/4024/files/79282333342.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3680/3233/files/blasphemous_collectibles_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2280/1306/files/legjobb_magyar_billentyzet_androidra.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6404/2396/files/pdf_to_word_converter_apk4fun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6303/3502/files/namexusoxivumuwifawumuba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexidemunuviviradepinitim.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_off00005f1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F1B | 5268 bytes |
SHA-256: 0535a9b23db232948efdb6264f45dc5aaf56569e05bfb521415596d3776f0427 |
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font_01_sfnt_off000070e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70E8 | 10512 bytes |
SHA-256: bd642007ac5ab68fe1542805de3f2b952d2ef08ce94d22c6867a90d3bd748aeb |
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