MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file contains numerous external links, many pointing to SEO-optimized PDF download pages, indicating a link farm or phishing operation. The primary URL, https://pelibifir.ru/wix?keyword=black+coffee+sheet+music+pdf, is identified as an image lure linking to an SEO redirector, suggesting a phishing pretext. ClamAV detection and ML classification further confirm its malicious nature, likely as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://pelibifir.ru/wix?keyword=black+coffee+sheet+music+pdf PDF link annotation
- https://rilewinip.weebly.com/uploads/1/3/5/9/135964764/wutibutureka.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420459/normal_5fed5fbcb7f34.pdfIn PDF document text
- http://yildirimotobursa.com/software_development_waterfall_model_projectfov8h.pdfIn PDF document text
- https://namoxatiki.weebly.com/uploads/1/3/4/4/134477177/vagevokovol_xivokeginaxu.pdfIn PDF document text
- https://fimudelowuj.weebly.com/uploads/1/3/1/4/131455024/sobabux.pdfIn PDF document text
- https://cdn.sqhk.co/lesasafo/izGphhD/xekemode.pdfIn PDF document text
- http://goproits.com/tewidig6xicz.pdfIn PDF document text
- https://bawokopo.weebly.com/uploads/1/3/1/0/131070727/4513481.pdfIn PDF document text
- https://cdn.sqhk.co/vumulevezuf/jg118jd/tangled_2_movie_in_tamil.pdfIn PDF document text
- https://cdn.sqhk.co/xotabuti/shjzXFf/ocotillo_wells_rentals.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410431/normal_5fe89dd77c64d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464072/normal_60289e1c0958e.pdfIn PDF document text
- https://cdn.sqhk.co/fovomesit/fiagidp/15288333679.pdfIn PDF document text
- https://jateredadiwez.weebly.com/uploads/1/3/1/6/131606262/66373.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376858/normal_5fe12ab1d9129.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/tonisefoteka/29377959756.pdfIn PDF document text
- https://s3.amazonaws.com/zesotat/best_portable_washing_machine_consumer_reports.pdfIn PDF document text
- https://s3.amazonaws.com/jidagafinuxesu/how_to_set_time_on_a_adidas_watch.pdfIn PDF document text
- https://s3.amazonaws.com/zetituri/financial_accounting_terms_dictionary.pdfIn PDF document text
- https://s3.amazonaws.com/povelenavuviw/80159679727.pdfIn PDF document text
- https://s3.amazonaws.com/turip/kugobuperasikoboj.pdfIn PDF document text
- https://s3.amazonaws.com/gotitibekovi/congenital_hypothyroidism_european_guidelines.pdfIn PDF document text
- https://s3.amazonaws.com/zexozavo/giralejakebuvononuvaxik.pdfIn PDF document text
- https://s3.amazonaws.com/golepe/capture_one_pro_9_sony.pdfIn PDF document text
- https://s3.amazonaws.com/gebukil/sigma_sport_baseline_1200_wireless.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_off0000f16a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF16A | 5412 bytes |
SHA-256: fdfff0aaa5e8197f87528cc7f91854d88d43a9a3a4c7e583890f382ee9b7c1f5 |
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font_01_sfnt_off000103b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103B6 | 11156 bytes |
SHA-256: 5801c49454aabee2ed1d3d3049e73a57489600d8949b5fd7267aad0d2522f085 |
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