MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which are SEO-optimized and redirect to other PDF files, indicating a link farm or SEO spam campaign. The presence of a URL with UTM parameters suggests a phishing or malicious redirection attempt. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://nipisod.ru/aws?utm_term=alcatel+one+touch+retro PDF link annotation
- https://s3.amazonaws.com/bededuxotulapil/danbury_ct_weather_report.pdfIn PDF document text
- https://vufuredupe.weebly.com/uploads/1/3/0/7/130776381/zovirikilulotu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4479236/normal_5fc7bb151c26a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470982/normal_6000c8a3a1039.pdfIn PDF document text
- http://sopugepibimel.mypressonline.com/62493494029.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367960/normal_600442f3203e4.pdfIn PDF document text
- https://gapepaweduli.weebly.com/uploads/1/3/5/4/135400658/sirerosapikaken_sabubaregetos.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4428033/normal_5ff66d6a69e74.pdfIn PDF document text
- https://s3.amazonaws.com/bogijexu/bsf_constable_tradesman_answer_key.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407813/normal_604641e06b8f4.pdfIn PDF document text
- https://mofutobanu.weebly.com/uploads/1/3/1/3/131383854/ralixabiwam.pdfIn PDF document text
- https://tepidupelagoxu.weebly.com/uploads/1/3/4/4/134472529/5537001.pdfIn PDF document text
- https://s3.amazonaws.com/xefezesebusu/what_is_the_best_business_ideas.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368999/normal_60312bd6f05d9.pdfIn PDF document text
- http://biwiroxefamir.mywebcommunity.org/jemewiburiwiteji.pdfIn PDF document text
- https://s3.amazonaws.com/meludav/animation_video_maker_free.pdfIn PDF document text
- https://s3.amazonaws.com/fonazuzixagizir/fadifafujobeb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kabuzore.atwebpages.com/english_language_and_aspects_of_development.pdfIn PDF document text
- http://bajupigirosinaf.atwebpages.com/movies_like_fifty_shades_of_grey_on_amazon_prime.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00017b68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17B68 | 4696 bytes |
SHA-256: b75979f77eebf28f84a82acae10217ca750f33e218dc123ecb825b47d1609d20 |
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font_01_sfnt_off00018b58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18B58 | 11484 bytes |
SHA-256: 820f1bfbde2627a90dc2f3dd5855dc7bbc9f5c2b7555e837cc0b0a9559400006 |
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font_02_sfnt_off0001b2b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B2B2 | 16076 bytes |
SHA-256: 050cca2678d7435c270027ff58d84efa212ea3c5592871ae9bdc0d1e185112d0 |
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