PDF malware analysis — malicious · 3e9686edfda76119

MALICIOUS

PDF

83.2 KB Created: 2021-04-10 22:57:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9c3f593fbb362a75145a3f25660ef75a SHA-1: bbf06a251e11506f49cb00d7142f442b2b574b42 SHA-256: 3e9686edfda76119ed2c6caf9317ebd03cae5a09438519697edffa10c864155b

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI that redirects to a URL disguised as a search result, likely a phishing lure. ClamAV detection and ML classification confirm its malicious nature. The presence of multiple unknown reputation URLs suggests a phishing or malware distribution campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://jacksth.ru/strik?utm_term=ms+project+alternative+mac+freeware
- http://znalomstvavip.site/the_lady_with_the_pet_dog_by_joyce_carol_oatesotwzv.pdf
- http://jidapuxedepu.medianewsonline.com/34444780516.pdf
- https://cdn.sqhk.co/lipebefaje/3jdjfid/41682133928.pdf
- http://vinorama.fun/18509675510bc33n.pdf
- https://cdn.sqhk.co/sebazisop/jgLieKq/papa_pear_saga_cheats_level_459.pdf
- https://cdn.sqhk.co/denirinodo/fja5Nji/nitro_nation_drag_and_drift_hack_pc.pdf
- http://pc-remont.website/adobe_xd_tutorial_freep5o7e.pdf
- http://xoziduso.mypressonline.com/99833650491.pdf
- https://static.s123-cdn-static.com/uploads/4365636/normal_5fef7fd15246e.pdf
- https://cdn.sqhk.co/nodujugebi/iggihhN/gunasid.pdf
- https://cdn.sqhk.co/nonuripot/haiegdR/pilugufesogijokuwu.pdf
- https://cdn.sqhk.co/datolabevev/WieXzDt/ximumipi.pdf
- https://cdn-cms.f-static.net/uploads/4382190/normal_5fdbe08e1afc6.pdf
- https://cdn.sqhk.co/difixoruze/ajbienH/bricks_breaker_glow_mod.pdf
- http://ttttrrrr.space/55990715563dwcs.pdf
- http://changepass.online/ukulele_strumming_patterns_4_4d4fg6.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/kewakuko/pebble_smartwatch_301rd.pdf
- http://watusatuvor.myartsonline.com/handboek_appreciative_inquiry.pdf
- https://s3.amazonaws.com/xukanomarexumu/bcg_vaccine_full_form_in_medical.pdf
- https://s3.amazonaws.com/novifamigot/45334214497.pdf
- https://s3.amazonaws.com/nazekisigiduz/voxejuwujisozegal.pdf
- https://s3.amazonaws.com/fuzafuzeruwit/nuvezomuwaxivetutol.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000104be.bin` `fbe5015ab0f1c81c707db0dcb357fe3dd91926922e57785a0c26bcaaf6089cdf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x104BE	5392 bytes
`font_01_sfnt_off00011727.bin` `35976599753790b6f149697139825b6d7fdaf4d237995dd72a80b2f00a73ae4e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11727	11332 bytes

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