MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a link farm designed to manipulate search engine results. One prominent URL, 'https://ttraff.ru/pify?keyword=ostrich+farming+in+south+africa+pdf', is flagged as a malicious redirector. The document body, though partially corrupted, contains text related to ostrich farming and the wkhtmltopdf application, suggesting a lure to disguise malicious intent. The ML classifier strongly indicated maliciousness.
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=ostrich+farming+in+south+africa+pdf
- http://suterutu.artographicexplorations.com/uploads/1/3/0/9/130969352/2158817.pdf
- http://files.align4life.net/uploads/1/3/0/7/130739154/zujoxagego-sejoloxuxek-xoxaraje-suditigafitoru.pdf
- http://files.fantasticfoamparties.ca/uploads/1/3/2/8/132814272/niduluzenup.pdf
- http://files.bethanywelchfitness.com/uploads/1/3/0/8/130874612/8ae5ec226e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/7899/1520/files/93867147906.pdf
- https://cdn.shopify.com/s/files/1/0440/4389/4934/files/42026845478.pdf
- https://cdn.shopify.com/s/files/1/0430/4375/0049/files/tigogaxinowuja.pdf
- https://cdn.shopify.com/s/files/1/0435/1187/3688/files/49509144859.pdf
- https://cdn.shopify.com/s/files/1/0427/5293/4044/files/random_number_between_1_and_40.pdf
- https://cdn.shopify.com/s/files/1/0429/9830/0823/files/how_to_install_unofficial_oblivion_patch.pdf
- https://cdn.shopify.com/s/files/1/0435/5322/6913/files/40427772543.pdf
- https://cdn.shopify.com/s/files/1/0430/1737/1797/files/27855075761.pdf
- https://cdn.shopify.com/s/files/1/0435/1423/2984/files/sorujolopa.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_off00009c0f.bin4192a98dd9a8daffc52c45d84d53e6934a1cb1e5851f2753836df23a57f3946d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C0F | 5564 bytes |
font_01_sfnt_off0000aecf.bin6ee562958beeda17d7b96ba076c9c1ebc2d36257fd1110d4a6cda91f5c963357 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAECF | 10752 bytes |
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