MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file exhibits characteristics of a phishing or malware distribution campaign. It contains a large number of external links, many pointing to Weebly-hosted PDFs, and one specific URL, 'https://pelibifir.ru/strik?utm_term=what+do+mean+by+urban+area', is identified as an SEO redirector. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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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://pelibifir.ru/strik?utm_term=what+do+mean+by+urban+area PDF link annotation
- https://bipufufutugudov.weebly.com/uploads/1/3/1/1/131164095/b5af8e08c3f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369656/normal_60315b0d61106.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479435/normal_60249c6d2916a.pdfIn PDF document text
- https://gexaxiwiwa.weebly.com/uploads/1/3/4/4/134480231/8245345.pdfIn PDF document text
- https://ronurakegilapoz.weebly.com/uploads/1/3/4/8/134852428/4349435.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453730/normal_6025e38888c3a.pdfIn PDF document text
- http://pemufosapakem.mypressonline.com/the_hobbit_changes_from_book_to_movie.pdfIn PDF document text
- http://gidonuvawugirid.medianewsonline.com/mri_cervical_spine_anatomy.pdfIn PDF document text
- https://vizedaxitexoter.weebly.com/uploads/1/3/4/7/134740617/nudakabifez.pdfIn PDF document text
- https://xexofukirusolim.weebly.com/uploads/1/3/4/8/134871283/kemanazofupumi.pdfIn PDF document text
- https://fumasidabufip.weebly.com/uploads/1/3/0/7/130775820/fe9af6fb85.pdfIn PDF document text
- https://jenisevemib.weebly.com/uploads/1/3/1/0/131070602/61edb3813a6e463.pdfIn PDF document text
- https://lefatelaxebaj.weebly.com/uploads/1/3/5/3/135398996/fegaxikeliko-fepetifitife-sutekig-gosupoloxoked.pdfIn PDF document text
- https://simokodopegaliw.weebly.com/uploads/1/3/0/7/130776428/41e8ec58a88.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/robumuduluwise/9386096121.pdfIn PDF document text
- https://s3.amazonaws.com/pazerogasarinu/fujevijix.pdfIn PDF document text
- https://s3.amazonaws.com/jakujakula/rules_cynthia_lord_characters.pdfIn PDF document text
- https://s3.amazonaws.com/bifadiwuwileji/long_run_production_function_returns_to_scale.pdfIn PDF document text
- https://s3.amazonaws.com/vitelitubovuluj/free_asal_kau_bahagia_armada_band.pdfIn PDF document text
- https://s3.amazonaws.com/fikuvine/42456073758.pdfIn PDF document text
- https://s3.amazonaws.com/wukara/86283527272.pdfIn PDF document text
- https://s3.amazonaws.com/vutame/pepumudutod.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e40a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE40A | 4944 bytes |
SHA-256: a6c6a8be5118a19790c16ef0701f98cc22c3b12c720bba351812ea0f9ed5b807 |
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font_01_sfnt_off0000f4b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4B5 | 10920 bytes |
SHA-256: 7a17611e88e4ff75b19148b6e427df02aea04bfdd1269da8f7a8eae5953b5568 |
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font_02_sfnt_off00011902.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11902 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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