MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, suggests a lure related to 'selfish gene theory pdf'. The presence of numerous Shopify-hosted PDF links indicates a link farm strategy to improve search engine ranking and distribute malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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/wb?keyword=selfish%20gene%20theory%20pdf In PDF document text
- http://files.inverparish.com/uploads/1/3/1/4/131406659/torufad.pdfIn PDF document text
- http://files.rivermenrodandgunclub.com/uploads/1/3/2/3/132302973/nomegariwutok-wibiwu-visinatixubuj-sojimuta.pdfIn PDF document text
- http://files.nyacuchiro.com/uploads/1/3/2/6/132680874/d46b5.pdfIn PDF document text
- http://files.rachelbeyerdds.com/uploads/1/3/2/6/132681359/gimosadanunefadapog.pdfIn PDF document text
- http://files.brlfmc-music.org/uploads/1/3/2/8/132814337/41389f0a9b.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/1/0430/2995/4721/files/futuxuminipewaxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7839/3749/files/26422649328.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8155/6375/files/52559202053.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8058/1274/files/36179246140.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5911/8229/files/40614781731.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9655/6191/files/33094717015.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9096/7714/files/65555748274.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4210/3719/files/86935839277.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0386/2440/files/dixuvumatodojolexobapunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3971/1655/files/wagunibito.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9315/5230/files/32734842309.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6335/3250/files/kukapigitagozekej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5969/2198/files/14777031166.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7379/7285/files/tojujupal.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_off0000c0b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0B7 | 5084 bytes |
SHA-256: bb7479eda20d813b4a2c116ffa63df169be0079f4b2c0cc090e8830035fc0421 |
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font_01_sfnt_off0000d1fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1FC | 12468 bytes |
SHA-256: fe5a5d8af5bd2e416ace63b9e94d1538c056803621bb8915e735be286e31e593 |
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