MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass of external links, many of which are SEO redirectors, suggesting an attempt to drive traffic to malicious or ad-fraud sites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or a trojan downloader. No scripts were extracted, but the PDF structure itself facilitates the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://druttle.ru/strik?utm_term=what+are+examples+of+information+technology+careers PDF link annotation
- https://cdn.sqhk.co/pobopuwubox/gdhgnie/sky_force_reloaded_switch_metacritic.pdfIn PDF document text
- https://tirotirow.weebly.com/uploads/1/3/1/3/131380420/1077789.pdfIn PDF document text
- https://cdn.sqhk.co/besiwowegin/iaEAphj/wemubunokuwatipuw.pdfIn PDF document text
- https://cdn.sqhk.co/tegatiwuwax/LVm1ggK/f1_manager_2020_guide.pdfIn PDF document text
- https://nerapusu.weebly.com/uploads/1/3/1/4/131438180/9056409.pdfIn PDF document text
- https://cdn.sqhk.co/dosakupu/heIibhc/like_a_boss_meme_impractical_jokers.pdfIn PDF document text
- https://cdn.sqhk.co/vugomupuzisa/idieigP/47478770377.pdfIn PDF document text
- https://kikitepolo.weebly.com/uploads/1/3/4/5/134514310/8970045.pdfIn PDF document text
- https://vipukawolatu.weebly.com/uploads/1/3/4/4/134486161/3c5bb.pdfIn PDF document text
- https://zeberafuduzugag.weebly.com/uploads/1/3/2/6/132682167/1528490.pdfIn PDF document text
- https://cdn.sqhk.co/rorazelesu/fjeGgfv/gexakifadizadolaxunux.pdfIn PDF document text
- https://lodarexuxune.weebly.com/uploads/1/3/4/3/134352809/1868935.pdfIn PDF document text
- https://cdn.sqhk.co/vibisidumes/jgiicvj/10010936661.pdfIn PDF document text
- https://sexanugujox.weebly.com/uploads/1/3/4/2/134266496/fadut.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/fevobelijogal/kesikuwojevivexe.pdfIn PDF document text
- https://s3.amazonaws.com/nowokil/acute_otitis_media_guidelines_2018.pdfIn PDF document text
- https://s3.amazonaws.com/dagasopones/20416573895.pdfIn PDF document text
- https://s3.amazonaws.com/dovulavavo/cafeland_mod_android_1.pdfIn PDF document text
- https://s3.amazonaws.com/wusone/jezirevesowemufejumawi.pdfIn PDF document text
- https://s3.amazonaws.com/pobixedele/ifrs_16_lease_accounting_guide.pdfIn PDF document text
- https://s3.amazonaws.com/biwubeleba/32931576067.pdfIn PDF document text
- https://s3.amazonaws.com/julaxel/dowenefalogodisigorokub.pdfIn PDF document text
- https://s3.amazonaws.com/wizidimawag/govudiga.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_off000107a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107A3 | 5612 bytes |
SHA-256: ab6c86cb43c3fa7fd613c72e2351603a172547ffebc739000fd7e11ebe229300 |
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font_01_sfnt_off00011aae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AAE | 10512 bytes |
SHA-256: 8a602ba963bc0879be18c8630bd6a7c1f36e98959d6c149b55232737d164fc91 |
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