MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses brand-impersonation credential phishing. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://gerugufudob.weebly.com/uploads/1/3/4/8/134869234/nezanelupomaz.pdf.
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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://druttle.ru/wix?keyword=mcdonalds+wifi+terms+not+popping+up PDF link annotation
- https://gerugufudob.weebly.com/uploads/1/3/4/8/134869234/nezanelupomaz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413835/normal_5fd2eb16792a3.pdfIn PDF document text
- https://disaximineta.weebly.com/uploads/1/3/4/8/134883765/69a143239ae.pdfIn PDF document text
- https://mijutadozas.weebly.com/uploads/1/3/4/5/134590660/7240785.pdfIn PDF document text
- https://gorenusedom.weebly.com/uploads/1/3/5/3/135326887/vemaluden.pdfIn PDF document text
- https://jonexizuli.weebly.com/uploads/1/3/4/2/134235370/jinudubedixoba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385614/normal_6025e4eedb2bc.pdfIn PDF document text
- https://mijutadozas.weebly.com/uploads/1/3/4/5/134590660/188174.pdfIn PDF document text
- https://xuwupeloz.weebly.com/uploads/1/3/4/7/134734270/2253169.pdfIn PDF document text
- http://foxinawolukomat.iblogger.org/o_que_significa_uniformemente_dicionario.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4372074/normal_5fefd7562c915.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/gapivegek/79392411605.pdfIn PDF document text
- http://wawaxujogoned.rf.gd/234550259.pdfIn PDF document text
- https://s3.amazonaws.com/satuja/zxing_barcode_scanner_android_tablet.pdfIn PDF document text
- http://demuremapinob.epizy.com/bhojpuri_video_gana_2019_hd.pdfIn PDF document text
- https://s3.amazonaws.com/lemerisinivum/2019_monthly_calendar_template_word_document.pdfIn PDF document text
- http://weniwotazemomin.rf.gd/bpc_full_form_in_gas.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f050.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF050 | 6424 bytes |
SHA-256: 4455747fda9ac97410526ac3fee3ca643cc61cb592146befb7df79af2604d95b |
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font_01_sfnt_off00010032.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10032 | 5572 bytes |
SHA-256: 9c89f0647d7d777d9b8ac3261b7e45e10bada4bb685e39ec70697cd1cf31beb9 |
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font_02_sfnt_off0001132e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1132E | 10620 bytes |
SHA-256: 4a6575c04b483c22d401f97ef9197f7effa26a1afd21dd55f62b39dcc3393f46 |
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font_03_sfnt_off000137c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137C0 | 16148 bytes |
SHA-256: d612c605d101522a7b082cd092ef78b209dae850c4a5e940dd0f53fb1bc5669f |
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