MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the same malicious URL. This suggests the primary purpose is to lure the user to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, limiting the analysis of direct execution capabilities.
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=tratamiento+quirurgico+del+cancer+de+pulmon+pdf In PDF document text
- http://files.sdgphoto.net/uploads/1/3/0/7/130739016/81c7c81.pdfIn PDF document text
- http://files.dalmatiansofkentucky.com/uploads/1/3/1/4/131413766/fefokuriserejot.pdfIn PDF document text
- http://files.bakedbythelake.com/uploads/1/3/1/4/131483955/f4e713cb.pdfIn PDF document text
- http://files.upperwharfedalechurches.org/uploads/1/3/1/4/131407958/tidobera-mamuk-zoneg.pdfIn PDF document text
- http://bodasud.andreanunesdmd.com/uploads/1/3/1/4/131483281/5301427.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/1/0431/8851/9076/files/14641461812.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4748/3557/files/sosekadekow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2601/4630/files/blank_clock_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0482/9602/files/71611068049.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9660/4825/files/vovorujupekifalubakunizub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7311/9143/files/zopapitavuwuxukujumez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1625/5645/files/fifa_football_score_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3287/4901/files/palojinapawiketoxafubo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6593/3985/files/human_biology_mader.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9984/6824/files/david_gray_sail_away.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1174/2628/files/15899390989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6173/8662/files/essentials_of_cardiopulmonary_physical_therapy_4e.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5453/7624/files/18534137940.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5930/4865/files/nakufowiditevov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3051/9716/files/57617756419.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_off00007a32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A32 | 5372 bytes |
SHA-256: 0fa6148a54062fa5a6e635bc6b0fc9b29f72144d71bc704ea4edcac39531f8f2 |
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font_01_sfnt_off00008c59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C59 | 11048 bytes |
SHA-256: 74bf07bca8a0cad1d42f41b3b2c6bf4049ad7d14b8457457be803617e3ea1a62 |
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