MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document is identified as malicious by multiple heuristics and a machine learning classifier, with ClamAV detecting it as a phishing trojan. The document contains a link farm and an image lure that redirects to an SEO redirector, likely for phishing purposes. The primary malicious URL identified is https://jacksth.ru/strik?utm_term=bs+mutabakat+formu+nedir, which is used to present a deceptive lure.
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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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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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://jacksth.ru/strik?utm_term=bs+mutabakat+formu+nedir PDF link annotation
- https://morozosewiveloz.weebly.com/uploads/1/3/4/3/134387595/153eb9cd52.pdfIn PDF document text
- https://tojemevu.weebly.com/uploads/1/3/1/3/131384016/bcef63.pdfIn PDF document text
- https://wefidabewurar.weebly.com/uploads/1/3/1/1/131164485/af7577a2.pdfIn PDF document text
- https://rudagaje.weebly.com/uploads/1/3/4/3/134310377/kogadi_jebivegutex.pdfIn PDF document text
- https://kuvanipugeva.weebly.com/uploads/1/3/4/4/134445248/patiparinod-nosesigafikapej-javijido.pdfIn PDF document text
- https://mipikarekegimo.weebly.com/uploads/1/3/1/6/131606279/pufelinazudipiroz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415950/normal_6009dac0ca3bd.pdfIn PDF document text
- https://bajevopado.weebly.com/uploads/1/3/4/4/134456845/toxupebofaxu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386849/normal_6049522ad718c.pdfIn PDF document text
- https://nidegezepon.weebly.com/uploads/1/3/4/6/134650885/nemifojiv.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/7eb067d1-593e-4001-baf6-63560d95b934/kebejegimuzovarep.pdfIn PDF document text
- https://s3.amazonaws.com/rurovikejigibu/narasimham_malayalam_full_movie.pdfIn PDF document text
- https://s3.amazonaws.com/feliso/79001379250.pdfIn PDF document text
- https://s3.amazonaws.com/kuxegu/windows_7_ultimate_activation_batch_file.pdfIn PDF document text
- https://s3.amazonaws.com/fedufiporara/muramixenokapepoluf.pdfIn PDF document text
- https://s3.amazonaws.com/masevewi/seselukuvepozatu.pdfIn PDF document text
- https://s3.amazonaws.com/jitimesolagun/win_10_theme_for_rocketdock.pdfIn PDF document text
- https://s3.amazonaws.com/pasawexawinogad/aircraft_technician_salary_in_india.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba2a0545-b867-4b87-a2d1-8a1afa407066/how_hard_is_it_to_learn_egyptian_arabic.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_off0000e08b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE08B | 5276 bytes |
SHA-256: 33e72b2655fc793d9d888ca0e63ddc8ba7c5730d72a36e51b916a6be8814b52f |
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font_01_sfnt_off0000f266.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF266 | 12488 bytes |
SHA-256: 26ad499d0978c651bd6374fa6ba26278eef587d6dd5cef078b72e25714d125cf |
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