MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document contains a large number of external links, many hosted on disposable domains, characteristic of a link farm or SEO spam. The presence of a callback lure heuristic suggests an attempt to engage the user in a deceptive conversation, likely leading to a phishing or scam scenario. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving the exploitation of PDF vulnerabilities to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 7
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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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://jottigo.ru/strik?utm_term=how+to+fix+black+and+decker+18v+battery+charger PDF link annotation
- https://lilafigofuku.weebly.com/uploads/1/3/1/3/131398347/vibubonet.pdfIn PDF document text
- https://jaxefosizi.weebly.com/uploads/1/3/6/0/136083017/6594fa08f59e1.pdfIn PDF document text
- https://zebazowis.weebly.com/uploads/1/3/4/3/134310266/garufezekonize.pdfIn PDF document text
- https://xifupanudolegu.weebly.com/uploads/1/3/1/1/131164204/rexibe.pdfIn PDF document text
- http://xteenware.online/lonely_boy_images_with_quotesmard0.pdfIn PDF document text
- http://rafale.store/21812202892u9jsj.pdfIn PDF document text
- https://wokulenazaxur.weebly.com/uploads/1/3/4/7/134744474/taluravexexanox.pdfIn PDF document text
- https://xubafema.weebly.com/uploads/1/3/4/4/134447535/jutuse-viluverovubapu-rirav-guwaratiju.pdfIn PDF document text
- https://sujepofuk.weebly.com/uploads/1/3/0/7/130775011/7178297.pdfIn PDF document text
- http://pidukefap.22web.org/android_10_update_for_vivo_phones.pdfIn PDF document text
- http://pay-order.info/rijimuderojimimunerih7gnv.pdfIn PDF document text
- http://am-sound.ru/cours_de_mcanique_automobile_pour_dv8qiz.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/norozovijalu/gratis_lagu_andien_indahnya_dunia.pdfIn PDF document text
- https://s3.amazonaws.com/jajoxulabojaso/mozilla_firefox_browser_windows_xp_free.pdfIn PDF document text
- https://s3.amazonaws.com/timeziso/bibliography_example_in_mla_format.pdfIn PDF document text
- http://nogurinuzelajer.rf.gd/iifl_wealth_management_annual_report_2019.pdfIn PDF document text
- http://birijigasexow.epizy.com/seturigurezadadisawebarul.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_off000105d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D8 | 5840 bytes |
SHA-256: ec04e7628deab37b3394a418ddfdf5773d591236e8f74ac24372248a5aad3521 |
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font_01_sfnt_off000119da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119DA | 10728 bytes |
SHA-256: 35c6c1b5c4e097b1436ea782263752547ab2f85fdfcd758748fee1f405680bd5 |
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