MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous embedded links, many of which point to a redirector service (ttraff.ru) that is flagged as malicious. The document body, though heavily obfuscated, contains text that appears to be a lure for free downloads, indicated by the presence of 'Aeolian process and landform' and a URL pointing to a PDF. The heuristic PDF_SEO_LINK_FARM confirms the presence of a large number of external PDF links, suggesting a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier also strongly indicated maliciousness.
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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=aeolian+process+and+landform In PDF document text
- http://files.breedingforthefuture.com/uploads/1/3/2/6/132681566/sutavumuz.pdfIn PDF document text
- http://files.worldnativity.com/uploads/1/3/0/8/130873997/2e4ae55435f6f.pdfIn PDF document text
- http://kubifim.blissbeautybasement.com/uploads/1/3/1/6/131637814/jiwoxikifipiga-bulerapuj-gepagazigu.pdfIn PDF document text
- http://files.thecurlings.net/uploads/1/3/0/8/130814531/1134235.pdfIn PDF document text
- http://files.myartisticdentist.com/uploads/1/3/0/8/130874246/xanosir_zawosolevotu_naburu_gijorajokozuwap.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/1/0432/1568/3744/files/12722835585.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/4963/6255/files/50672998835.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9120/5021/files/51974917813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1806/7876/files/65010760046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3495/1331/files/les_accents_regles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3989/0327/files/polerinumuxido.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2158/3004/files/mastercam_x8_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4059/5352/files/45360447123.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7315/8806/files/31049265795.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/fijaluzafuvesupufig.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_off00006f5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F5D | 5000 bytes |
SHA-256: 370b88f329cb152e41982827a2be33e37536c096709999076b1986c24390cd15 |
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font_01_sfnt_off00008031.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8031 | 9688 bytes |
SHA-256: 96c80c4a035b3384e1633c83ed8f8989b5335e5306ae03a61bf60adc50d52618 |
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font_02_sfnt_off0000a14c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA14C | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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