MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a mass of external links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO poisoning. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is presented to the user with the lure 'Emulator ps2 android apk bios'. This indicates a social engineering attack aiming to redirect users to malicious content.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=emulator+ps2+android+apk+bios In PDF document text
- http://zemijuwip.artistiquegym.com/uploads/1/3/2/7/132740813/puduni.pdfIn PDF document text
- http://loziduwad.peterliuvocals.com/uploads/1/3/2/3/132303245/genebapikujebug.pdfIn PDF document text
- http://fereda.collegeplanninghelp.net/uploads/1/3/1/4/131483281/5ab58672.pdfIn PDF document text
- http://sogufin.fatdogsoapworks.com/uploads/1/3/2/8/132815176/ce50d.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/1/0429/6127/2983/files/sademitalugukeketaxisata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3815/4653/files/89740874692.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2281/9233/files/2003_cadillac_cts_repair_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9825/1165/files/80980388546.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0077/4308/files/kupid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8403/6761/files/70929492999.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/duwaxufezemurogagur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6193/6285/files/36946407753.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3122/2682/files/39774444474.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6035/3429/files/water_orb_osrs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3330/0885/files/tipos_de_cancer_de_cuello_uterino.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_off0000608f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x608F | 5400 bytes |
SHA-256: 04ad7f5f976867349ca36e691d97ebedba4540e0a30da99c4062cc65a6737a78 |
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font_01_sfnt_off000072c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72C4 | 1796 bytes |
SHA-256: c9c850e9c351ce199d5e9d1c42a783cd39d33267a74ccb43d8a2fed304f07254 |
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font_02_sfnt_off00007b4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B4F | 10524 bytes |
SHA-256: e1bf0db9d58317873c7c81895ee89521a2652f5dbea9e8067306493887b54174 |
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