MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at https://ttraff.ru/wb?keyword=guerrilla%20music%20marketing%20handbook%20pdf. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect users to malicious content. The presence of many other PDF links further supports a link-farming or redirection attack pattern.
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=guerrilla%20music%20marketing%20handbook%20pdf In PDF document text
- http://files.clairesanimalaffinity.com/uploads/1/3/0/7/130740563/gaparu-mogusawexuxum-nolowatozafa.pdfIn PDF document text
- http://files.sharitavonsikphotography.com/uploads/1/3/2/3/132303378/d07ac2fcfd01.pdfIn PDF document text
- http://xavin.elslandscapeinc.com/uploads/1/3/2/6/132681670/wusiwidovi_gumomawiridodiv_degufuzigotu_tosetuvodopiw.pdfIn PDF document text
- http://files.breesepickel.com/uploads/1/3/2/7/132740892/pemiluzerineg.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/1/0431/0804/0853/files/8029718435.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2862/8135/files/15769323439.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2809/3856/files/68123110322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4473/9999/files/khmer_math_book_grade_12.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1090/8572/files/3900941254.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3828/5725/files/captain_blade_s_manly_man_shield.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0309/1876/files/shareholder_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5025/1941/files/13174150405.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8246/4928/files/darafugavij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0610/6528/files/zigorosuwobutifedesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4206/8887/files/windows_localhost_file.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mejamuzeditika.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1868/9432/files/sonny_ericsson_w580i.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7680/5023/files/buriligif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4386/4228/files/wapolafofogojaj.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_off00006d37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D37 | 5804 bytes |
SHA-256: 52cd7d3c3fd75f85d3c922599a3fc79a54410cd559b40d36647dab951bed381b |
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font_01_sfnt_off000080c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80C8 | 10856 bytes |
SHA-256: ad1a7b8ae465e86a2afa77a51487700e1957db9fe2ac895c2a2bc20613b18eee |
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