MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many of which point to redirectors designed to obscure the final destination, a common tactic in phishing and malware distribution. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, and 'PDF_SEO_UTM_REDIRECTOR_LINK' specifically flags an image lure linking to an SEO redirector. ClamAV detection and ML classification confirm the malicious nature of the file, identifying it as a phishing trojan.
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://zajinet.ru/strik?utm_term=plan+de+negocio+template+word PDF link annotation
- https://static.s123-cdn-static.com/uploads/4403561/normal_6004b8661751e.pdfIn PDF document text
- https://s3.amazonaws.com/wurivuve/printer_canon_pixma_g2000.pdfIn PDF document text
- https://s3.amazonaws.com/nuxulikiwab/rpg_plot_hook_generator.pdfIn PDF document text
- https://s3.amazonaws.com/debiwelof/queen_size_wooden_platform_bed_frame.pdfIn PDF document text
- https://s3.amazonaws.com/gewuwasi/core_cutting_test_report.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451762/normal_6017a45471f4b.pdfIn PDF document text
- https://s3.amazonaws.com/gavexilatuvitaz/best_bike_app_for_android.pdfIn PDF document text
- https://s3.amazonaws.com/dazawojob/zebodokinotarizaxaburomo.pdfIn PDF document text
- https://s3.amazonaws.com/wewuxuviwar/angiotensin_ii_receptor_blockers.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417137/normal_6033856b55c88.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4404488/normal_5feb54a23edee.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470533/normal_5fda6537ef518.pdfIn PDF document text
- https://s3.amazonaws.com/gorajikunobixi/vaaste_hd_video_song_720p.pdfIn PDF document text
- https://s3.amazonaws.com/wozoxub/buwopaxa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/5e5494f1-fe86-495c-a364-a2ac4e8effef/crossfit_gym_wear.pdfIn PDF document text
- https://520c840f-7702-4e28-87de-278da5b03b63.filesusr.com/ugd/e633b3_e2c3a0e115e64694b01f3529e93df4b4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/64294e2b-9ad4-4f52-8e50-2f51a611df72/what_is_meant_by_quality_in_project_management.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56d44956-9f84-4fc9-8791-39d06ae24e19/7063191956.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ab4e536a-cf38-4fbc-8262-b41b5c2c30ba/how_long_to_learn_barre_chords.pdfIn PDF document text
- https://0b21792c-a699-4cf4-8833-5910c6ad58af.filesusr.com/ugd/b0b521_f04d47a413b146f7bbac2a2f646f242b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7a2dc61d-50eb-4c4a-b601-b5fce73b76ac/90060251637.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8248a58-d133-45bb-abca-bb036aff1fdb/foxam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ad9c7567-547d-436e-82c8-24bd0472887d/jowezarudebamimokanak.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_off00014965.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14965 | 5308 bytes |
SHA-256: 6d879236aa70f5cb6dfe14b677616d248bc0d78506cbf597f2b8605183bcd9eb |
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font_01_sfnt_off00015b73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B73 | 11624 bytes |
SHA-256: 0251f7baba90a3852e68eb87a56dc8be7febb43d4b97e6df9a1d540f8c08c9fb |
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