MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
The PDF file contains a large number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains references to URLs that are likely part of a link farm designed to distribute malicious content. The primary malicious URL identified is https://ttraff.ru/pify?keyword=mysql+blob+pdf+php, which is flagged as a malicious redirector. The presence of numerous links, including those hosted on cdn.shopify.com, suggests a broad distribution attempt.
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=mysql+blob+pdf+php In PDF document text
- http://files.endeavoursporting.com.au/uploads/1/3/0/7/130776518/161606aa6ef1406.pdfIn PDF document text
- http://files.silverchain-us.com/uploads/1/3/0/8/130874317/lisuda.pdfIn PDF document text
- http://files.shellyoga.com/uploads/1/3/1/3/131381352/46454.pdfIn PDF document text
- http://files.swkp.org.uk/uploads/1/3/2/7/132740965/7f7ccd2c.pdfIn PDF document text
- http://files.mscrystalhaggard.com/uploads/1/3/0/7/130740053/fobosel-ridizuf-sijixaxesi.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/1/0437/9534/9666/files/powered_by_akobook_unter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7997/5590/files/lapogozovoxapepe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0227/3703/files/37020293335.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mudamizoxudaxusuzo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/47812232518.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7055/3238/files/finafekamuvupuviwimabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3936/7061/files/14538255871.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2328/6951/files/10187937906.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3418/5628/files/remirimodixevevifodin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5816/5925/files/garajagatakugobuganer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6772/8279/files/18695319351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3680/3233/files/7786660949.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_off00006612.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6612 | 4632 bytes |
SHA-256: 58f135276b79cd0c3a29b98563b2536a2137e3e9c41ff5649d914aaed6ab23b6 |
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font_01_sfnt_off000075ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75CE | 10252 bytes |
SHA-256: 1650befe4a4dafde88eaf36a12663efc3c19b2b6c64ae7645125fbd60f0e9a28 |
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font_02_sfnt_off000098eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98EB | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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