MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure, directing users to a link farm designed to host numerous PDF files. The ML classifier also 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.com/pify?keyword=adda247+puzzle+and+seating+arrangement+book+pdf In PDF document text
- http://files.soultrainchoir.com/uploads/1/3/0/8/130814043/wedisesofikilosemeni.pdfIn PDF document text
- http://files.outtahatha.com/uploads/1/3/1/4/131483491/palajusirenadux.pdfIn PDF document text
- http://files.windowsmanchester.com/uploads/1/3/0/8/130874680/zuxajut.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/1/0431/7364/2406/files/strong_hold_crusader_2_cheats.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6257/4750/files/21182585659.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3940/7784/files/22137296428.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9394/0641/files/22652807214.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9133/6099/files/65827382931.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5318/5174/files/70646417248.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4513/5260/files/wibozuvofizegagevosela.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0250/2054/files/1998_c280_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6467/1904/files/81245351001.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6401/6539/files/mafisesivi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7957/3408/files/cours_d_anglais_et_francais.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8510/3255/files/liveliduzufak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8620/8406/files/aectp_250_edition_2.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006812.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6812 | 5788 bytes |
SHA-256: 22246985f00559daad09adbdb2b3d0a255af3a7ac2e126f2fcbc7b001a89e16a |
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font_01_sfnt_off00007bb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BB2 | 3068 bytes |
SHA-256: a6e6e1d9338d1b91fe27e92dc7a7b52e168dbdf2d649fc5d85ccd4ca8d73dc22 |
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font_02_sfnt_off00008862.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8862 | 11748 bytes |
SHA-256: d3e405cadd3e5b5177f2a2b8817c779f80c652e6906ed79aaf8203296d46b023 |
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font_03_sfnt_off0000aef8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEF8 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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