MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many pointing to external PDF files, indicating a link farm for SEO manipulation. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=brca+gene+testing+nice+guidelines', suggesting a phishing or malware distribution attempt. The ML classifier also 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=brca+gene+testing+nice+guidelines
- http://jugodujo.laoshierinmarkle.com/uploads/1/3/2/8/132814930/1331954.pdf
- http://taluludeb.bossladycharity.com/uploads/1/3/1/6/131606289/7438040.pdf
- http://files.acceptancegroup.com/uploads/1/3/0/7/130775592/84b57c479e32ba.pdf
- http://files.erinbowlen.com/uploads/1/3/1/4/131483371/6486198.pdf
- https://cdn.shopify.com/s/files/1/0438/6599/7472/files/wawapofokogetukaz.pdf
- https://cdn.shopify.com/s/files/1/0431/0630/4153/files/bcece_medical_certificate_format.pdf
- https://cdn.shopify.com/s/files/1/0434/2172/8933/files/ukulele_canon_in_d.pdf
- https://cdn.shopify.com/s/files/1/0432/0703/2990/files/vesamuzofoxadikedifowunab.pdf
- https://cdn.shopify.com/s/files/1/0447/3811/7781/files/adobe_reader_download_offline_installer.pdf
- https://cdn.shopify.com/s/files/1/0428/5435/1015/files/47098759290.pdf
- https://cdn.shopify.com/s/files/1/0437/9980/6113/files/49900431968.pdf
- https://cdn.shopify.com/s/files/1/0434/6845/6102/files/kudebuwilifoguduju.pdf
- https://cdn.shopify.com/s/files/1/0435/0345/2326/files/icarus_paradox.pdf
- https://cdn.shopify.com/s/files/1/0431/7069/3284/files/chalk_uchicago_edu.pdf
- https://cdn.shopify.com/s/files/1/0432/8062/9913/files/36106631420.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bobidaxida.pdf
- https://cdn.shopify.com/s/files/1/0436/6853/7497/files/zekidase.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007a8d.binab5ade7c933b3916bbc7ddf72a9d26a35eb607298983fce2dab9115b5832433e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A8D | 5156 bytes |
font_01_sfnt_off00008c1a.bin019b862ccd93f0167dfe00d408357dc5869a588ed053abc19d615136cd49791b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C1A | 10340 bytes |
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