MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a malicious redirector link disguised as a helpful resource. The primary heuristic indicates a PDF_MALICIOUS_REDIRECTOR_LINK, pointing to 'ttraff.ru'. Additionally, the PDF_SEO_LINK_FARM heuristic suggests the document is part of a larger scheme to generate traffic, with numerous links, many pointing to Shopify domains. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=arabic+to+english+phrases+pdf', reinforcing the malicious intent.
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/pify?keyword=arabic+to+english+phrases+pdf In PDF document text
- http://files.stmatthewsvoorheesville.org/uploads/1/3/2/3/132302710/a6d2ddb.pdfIn PDF document text
- http://files.thevintagebarntooele.com/uploads/1/3/1/4/131406390/561124.pdfIn PDF document text
- http://files.garlinstainedglass.com/uploads/1/3/2/6/132681517/donidir.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/1/0428/7738/6918/files/69841064906.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7945/1289/files/85972780092.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7952/4759/files/xerez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9997/8904/files/fupozuzamowetotomifoxon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9201/6280/files/kowasigibopufonol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2226/1143/files/fixiruxifixixemavelop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3686/8762/files/harbor_freight_owatonna.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6785/0390/files/zewovudibimijumusol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1249/7313/files/11024422680.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4253/6598/files/application_letter_for_job.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7956/3419/files/zobelaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4886/9786/files/karimi_aflatoxin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5514/4347/files/24887186996.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4310/2618/files/poripekiko.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_005_off0000dade.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xDADE | 31092 bytes |
SHA-256: a654328cecbe13cb571820ddb283ee66624ebeba38528d30a3e00180f59ca941 |
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font_00_sfnt_off0000a27c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA27C | 5544 bytes |
SHA-256: fca81700d94b478230230630b2ac9f8c519124cee5cad4e2d11f34e66044c7a6 |
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font_01_sfnt_off0000b547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB547 | 11320 bytes |
SHA-256: 7ef5c34f080c0d973d457c23486257e625253b35314de6d04e854d72e5c95a9f |
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