MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service designed for SEO phishing. The primary malicious URL, https://ttraff.ru/pify?keyword=bimar+abid+pdf+free+download, is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to trick users into downloading potentially harmful content under the guise of a free PDF. No scripts were extracted, but the presence of numerous links and the ML classifier's high confidence indicate malicious intent.
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=bimar+abid+pdf+free+download In PDF document text
- http://files.localgreenssb.com/uploads/1/3/1/4/131483110/4bcf4a8c7cdc.pdfIn PDF document text
- http://files.compassionchristian.men/uploads/1/3/1/4/131437363/8c19ba0989b48.pdfIn PDF document text
- http://files.christopherpalmer.co.uk/uploads/1/3/2/3/132303077/9707717.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/8860/1503/files/concrete_repair_materials.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3091/2934/files/77862396483.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1008/8342/files/disable_gear_vr_service.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5547/1006/files/winitadorubefesilamapudon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/35031547028.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fixasitisajixumazurezeve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1158/6722/files/vesimiwufimiximeduv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9749/6477/files/atomic_absorption_spectroscopy_principle_and_instrumentation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8861/7378/files/luzuremuwibusozimogutorek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9212/2536/files/74327640271.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8184/2332/files/83492306079.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6145/1681/files/21280903179.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2920/7957/files/xuzoratagixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7850/6909/files/85696409544.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off0000c4cf.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xC4CF | 22984 bytes |
SHA-256: c56e004342506b3c996c368b81bbb7bc911320d7f5b2c995f1a9553488a7bdf1 |
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font_00_sfnt_off00008cfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CFD | 5000 bytes |
SHA-256: 8d8e7752d0dc1d793d1a8e928d958953f108875913a6421395d0acbeef9ba0b7 |
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font_01_sfnt_off00009ddf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DDF | 12048 bytes |
SHA-256: d409f357fd87e41f96ce75f00fd0397b097b14188c463e4cb71168b66f29ded1 |
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font_03_sfnt_off0000ec7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC7E | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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