MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.ru) identified as malicious. The document body, though heavily obfuscated, contains references to URLs that are part of a link farm, suggesting a phishing or SEO poisoning tactic. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs and a redirector link supports a phishing attack pattern.
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=cue+card+printing+template In PDF document text
- http://files.elizabethmphillips.com/uploads/1/3/1/4/131455475/d9ef14ba3868157.pdfIn PDF document text
- http://files.stahlmennonite.org/uploads/1/3/1/8/131856330/4e355.pdfIn PDF document text
- http://files.revotechnologies.net/uploads/1/3/0/8/130813768/ladager.pdfIn PDF document text
- http://files.professionalcapitalpartners.com/uploads/1/3/1/4/131438766/4121815.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/1/0432/6624/4764/files/87736582570.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3438/5303/files/stewart_calculus_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6533/5190/files/cmd_prompt_commands.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5470/3526/files/nabige.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0812/2280/files/8664808998.pdfIn macro / runtime command snippet
- https://cdn.shopify.com/s/files/1/0434/1307/8168/files/the_40_year_old_virgin_123movies.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/9390/5828/files/tazuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4587/8950/files/21370108609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2875/0234/files/is_cs._money_legit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3203/4976/files/12084476948.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8482/5247/files/20727611227.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5092/5223/files/biochemistry_mcq_books_free_download.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
- https://cdn.shopify.com/s/files/1/04In macro / runtime command snippet
- 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_off000064df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64DF | 5120 bytes |
SHA-256: 6dab8ad9519f708b56e2d0a759746e7a2441729efa245fba1d9810b8329d1c5b |
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font_01_sfnt_off0000762d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x762D | 10192 bytes |
SHA-256: 8dc9c023b799bfb86b82476355b89743027e16e8c575675ade78bec562114fd9 |
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