MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to what appears to be a link farm designed to manipulate search engine results. One prominent URL, 'https://ttraff.ru/pify?keyword=gramercy+property+trust+annual+report', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains references to URLs that are likely part of this link farm.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=gramercy+property+trust+annual+report
- http://files.theroverchasefoundation.com/uploads/1/3/1/0/131069887/baxelovinu_nozuxuduzas_fagezuxurumimav_laleb.pdf
- http://files.stmarksdurango.com/uploads/1/3/0/7/130740249/ruzuwagefawi-fumadup.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/4101/4438/files/wegefexejifewolexuja.pdf
- https://cdn.shopify.com/s/files/1/0437/5710/9402/files/27256330571.pdf
- https://cdn.shopify.com/s/files/1/0456/8252/4319/files/2156242100.pdf
- https://cdn.shopify.com/s/files/1/0430/6731/0231/files/72493270383.pdf
- https://cdn.shopify.com/s/files/1/0438/5544/6176/files/telugu_janapada_dj_audio_songs.pdf
- https://cdn.shopify.com/s/files/1/0454/0166/9800/files/ielts_general_reading_sample_test_papers_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0435/3795/7023/files/taoism_holy_book.pdf
- https://cdn.shopify.com/s/files/1/0432/2630/0575/files/80217856443.pdf
- https://cdn.shopify.com/s/files/1/0431/6725/2641/files/2016821298.pdf
- https://cdn.shopify.com/s/files/1/0431/7839/3764/files/dovakonejinukogimavor.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a359.bin2d61527f5b987212a3e5f050513623656bd48b34f0855dab8846fac188bfa3ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA359 | 5212 bytes |
font_01_sfnt_off0000b508.binf81ab288d394239b489272de2fe59ae761e11e75ad6a40effc3c7e57249b1a7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB508 | 14316 bytes |
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