MALICIOUS
192
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. The file embeds a large number of external links characteristic of an SEO link farm, routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://yafferge.ru/123?utm_term=aps+2nd+term+date+sheet+2019 In PDF document text
- http://lutukolotizolo.22web.org/72522815666.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465694/normal_60519e2b4d9ed.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4500432/normal_5fec378d865b5.pdfIn PDF document text
- http://forimawijoza.iblogger.org/navirawisofuragatitorov.pdfIn PDF document text
- http://busigexexowo.22web.org/hands-on_machine_learning_with_scikit-learn_and_tensorflow_3rd_edition.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371267/normal_602aa47532c63.pdfIn PDF document text
- http://lexojebetiza.22web.org/the_vampire_diaries_season_1_episode_22_full_episode_free_online.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423429/normal_5fe8c2ea4b4c0.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/moduxanakuri/65936937151.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4bdd5f29-e336-4d63-9153-7dc61bf6e9e3/how_to_play_world_war_z_on_pc.pdfIn PDF document text
- https://75e6d08a-b14f-4c2c-bd4e-3e6431d9d11c.filesusr.com/ugd/497a87_5a23e90d1b144ef19a9bd26feea3b633.pdf?index=trueIn PDF document text
- https://52a1af19-6946-4c37-aba6-ab00a30e4874.filesusr.com/ugd/5dc3ca_db3b49ce0c784f4c9ae1abccbfb45945.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/toliwudalamem/waxivo.pdfIn PDF document text
- http://pejinubonuxus.epizy.com/arjun_reddy_movie_sad_bgm_free.pdfIn PDF document text
- http://pilizitawew.rf.gd/23614932350.pdfIn PDF document text
- https://s3.amazonaws.com/labitajaxatufib/midojufagadow.pdfIn PDF document text
- http://kewuzelaxapog.rf.gd/ralarozukasow.pdfIn PDF document text
- https://5cbbff6b-7c47-4fbb-abda-9de5069fbc88.filesusr.com/ugd/1a89c8_7eed4446b43c40d784cd6cbdaee317e1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f0e6cb6d-4fee-406d-9cfe-5ca7666fe69f/39306879553.pdfIn PDF document text
- http://dazulenaredon.rf.gd/6150911619.pdfIn PDF document text
- https://82a15d5c-09b3-4b2c-b6d5-cdf01964cb25.filesusr.com/ugd/5adcb9_58cea800621d4340ae8ef44abbd1c711.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/db2341d3-da46-4b1a-981c-a35b7a838b09/sokagugonazusamufugusu.pdfIn PDF document text
- https://5b0ea1c3-b874-41d5-a3cc-49595beb80a6.filesusr.com/ugd/0c63be_3f4743c1dac94bfcaf2a62151eeac5a4.pdf?index=trueIn 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_off0000cfe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFE3 | 5636 bytes |
SHA-256: 5ad5f9538b938f6103a3fdeb9f36bb7f96a6493386c2c4659562ebce740fa388 |
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font_01_sfnt_off0000e2e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2E2 | 10060 bytes |
SHA-256: e2a737ccec63f299178b88bec5fcfd74f7ce122b714250276bf6047ec96567f0 |
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