MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple links to redirector domains and SEO-optimized PDF farms, indicating a phishing or malware distribution campaign. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' strongly suggest malicious intent. The embedded URLs likely lead to further stages of the attack, such as credential harvesting or payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://traffmen.ru/aws?utm_term=dbms_output+error+report+unknown+command In PDF document text
- https://cdn.sqhk.co/seponidozit/gjr4Pz6/instagram_login_unblocked_online.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403418/normal_5faafbd83bcb1.pdfIn PDF document text
- https://cdn.sqhk.co/kezinujus/0wdlich/does_fastmed_have_rapid_covid_testing.pdfIn PDF document text
- https://cdn.sqhk.co/saligoliti/egjjijl/alameda_county_recorder_s_office_search.pdfIn PDF document text
- https://ruwitopiramowu.weebly.com/uploads/1/3/4/3/134364975/3953970.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369763/normal_5f96e935b337a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391642/normal_5ffce3f864242.pdfIn PDF document text
- https://sakofavore.weebly.com/uploads/1/3/3/9/133997309/4745451.pdfIn PDF document text
- https://cdn.sqhk.co/rarirawibowo/jjauMnD/judokiko.pdfIn PDF document text
- https://cdn.sqhk.co/rubuxupab/iiggihh/speedtest_by_ookla_desktop_download.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/lomiwexuva/insurance_underwriting_guidelines_template.pdfIn PDF document text
- https://s3.amazonaws.com/sajatesawodiji/meragifomibize.pdfIn PDF document text
- https://s3.amazonaws.com/dovulavavo/faxijalajoxibixizuwopukez.pdfIn PDF document text
- https://s3.amazonaws.com/bejikefowu/59386454218.pdfIn PDF document text
- https://s3.amazonaws.com/sivanira/learning_english_grammar_basic.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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000105f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F3 | 6548 bytes |
SHA-256: 4200db6c0e80cadcb5e6095e2db64c6b33cb2c0480475197fd4329a98774db8e |
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font_01_sfnt_off00011649.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11649 | 5512 bytes |
SHA-256: f2de56df16783afb6eb2b84969ef1bca97b375018c691d502eae556732313e40 |
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font_02_sfnt_off00012904.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12904 | 4084 bytes |
SHA-256: fab9abdcf7b7b7ae9000f88795eadd1703c78912e4d8d0162d9c5210cd8936b6 |
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font_03_sfnt_off000138d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138D7 | 12028 bytes |
SHA-256: a30b0dc4cf337cdbfa4656dadbbcacf70323c03717208d8aabdd169c80052027 |
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