MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm with numerous external links, including a primary suspicious URL, suggesting a phishing or redirection attempt. The document body, though heavily obfuscated, appears to be a lure related to engine carburetor settings, likely to trick users into visiting the malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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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://midufefew.ru/strik?utm_term=tecumseh+5hp+engine+carburetor+settings PDF link annotation
- https://cdn-cms.f-static.net/uploads/4528780/normal_6033f3c7a4ac5.pdfIn PDF document text
- https://lexebovet.weebly.com/uploads/1/3/4/6/134628591/c39838255bf62f7.pdfIn PDF document text
- https://miwebuzoz.weebly.com/uploads/1/3/4/0/134095964/3131777.pdfIn PDF document text
- https://rujusuxiledajo.weebly.com/uploads/1/3/4/8/134861970/6348289.pdfIn PDF document text
- https://bodumiwi.weebly.com/uploads/1/3/1/4/131406735/tatiz_golano_nikasipiboparo.pdfIn PDF document text
- https://fumumakol.weebly.com/uploads/1/3/4/0/134017799/mepumebelas_risobifasukow_wovobesizaxed.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486748/normal_5fd09facc53e9.pdfIn PDF document text
- https://tefegori.weebly.com/uploads/1/3/1/6/131637168/69d24c51bc5870.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://02664c88-84e5-42fa-aae3-682d3a0d4328.filesusr.com/ugd/39d081_cdcfc5f9b45847fb80eeb193bd447965.pdf?index=trueIn PDF document text
- https://b998fa74-583e-446a-a2a7-67f41460fdb2.filesusr.com/ugd/e081f8_b95023a9084f4d6e901189d4c7abadfc.pdf?index=trueIn PDF document text
- https://510adc33-753b-44c0-977e-8d34da8fcdd4.filesusr.com/ugd/5f4192_c222ff6192a841ce85520c5b8c4f61c9.pdf?index=trueIn PDF document text
- https://1b3fde16-7575-45ba-b40e-8916c64185ca.filesusr.com/ugd/8874e8_08c17f794799452b9fb648c396e9d3ea.pdf?index=trueIn PDF document text
- https://f405dec1-7f90-4f4c-a861-5286f67d0127.filesusr.com/ugd/ab922d_267b68f1edc9403dbb67f45e65145a22.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sorogamat/40420297978.pdfIn PDF document text
- https://ce419959-236d-4487-89d7-67f356bda573.filesusr.com/ugd/147b51_b2fb713b03b54f5987e7104988f0ff16.pdf?index=trueIn PDF document text
- https://3c1efe6f-6e34-41bb-a2c4-2be85dd3cb33.filesusr.com/ugd/41f880_7e66cca20821437ba793c1520eadc53d.pdf?index=trueIn PDF document text
- https://c4e42e93-254c-4ba8-b495-737f84002742.filesusr.com/ugd/ddb60a_16a622a8966c4b339b00ebc541664e4c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zuwosil/expediting_your_prayers_from_the_courts_of_heaven_robert_henderson.pdfIn PDF document text
- https://8d5bcf17-53f2-4f21-b585-7a27aef14131.filesusr.com/ugd/7baf93_bbec765f4df040c79c78da08c819f0a9.pdf?index=trueIn 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_off0000f6ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6EE | 5528 bytes |
SHA-256: f1ec3e2708d87cc562517273e8a1cc8eb3e1b103bdb1fd4277f17924752d3b6d |
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font_01_sfnt_off00010992.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10992 | 10668 bytes |
SHA-256: 055e0dca4436a40dbe51a933ce1d3d5baf01599819093c41d1eb0e7c1829eabf |
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