PDF malware analysis — malicious · 0e9c85b1c15e1514

MALICIOUS

PDF

79.9 KB Created: 2021-07-21 13:27:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05

MD5: a3e3cd41407011bc927db740b210693e SHA-1: 198715c6c5579f4a34158cf3174bf79508821aa5 SHA-256: 0e9c85b1c15e15146b1dc3276bac51236fd008516433da1001633fb89caf22d0

136 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains heuristics indicating it's a phishing lure, specifically using an image to redirect users to a URL. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were extracted, the presence of a redirector URL points towards a phishing attack pattern.

Machine Learning

Nyx PDF Classifier malicious score 0.9993

Heuristics 5

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF 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.
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://feedproxy.google.com/~r/razvivatel/yapz/~3/gOBB6uaVNRA/square?utm_term=ultimate+chicken+horse+unblocked PDF link annotation
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60e8d1d3de2d3f60151182c3/1625870803253/gymnosperms_and_angiosperms_worksheet.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ee6511e9cbfe6c2fea8fec/1626236178104/30382713572.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60f086177692d94f2ddc32a7/1626375703923/napujan.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60f0347990ddb31b72aa84f4/1626354809876/59255062188.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f3efce6d5e991e36e611b1/1626599374407/putanuwiraju.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f0b7a9b348e55d1c4ad800/1626388393478/79850550835.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f37df61ad9bf1c32b65537/1626570230965/natural_resources_of_the_northeast_region.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60efcd8479f953043cbc7e5c/1626328452470/postherpetic_neuralgia_meaning.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f18a311756bd3d839f9436/1626442290099/pabozetizadat.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f100c3e9ec2a4c2bd7fb4f/1626407107794/2008_chevy_cobalt_owners_manual.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f63302a22c811cd2254d8a/1626747650716/matitawuwulilejatume.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60f09d2effe7455d931cdc7b/1626381614409/plus_one_computer_science_chapter_wise_questions_and_answers.pdfIn PDF document text
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ed942fcd0cb17c762de5cd/1626182704087/luluxupipofusopodiboleko.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ee50628feeeb055d9b5f6a/1626230882253/hunter_thermostat_44260_manual.pdfIn PDF document text
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e94f2b0cbdad4d35072e8e/1625902891203/project_report_on_recruitment_and_selection_process_of_a_company.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d574.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD574	10972 bytes
SHA-256: `b9bb3ba5099bf4bbbde04beecea887cf464452ac5dcecc0c9eb8b65a37ab6483`
`font_01_sfnt_off0000eeb2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEEB2	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off000106c4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x106C4	16884 bytes
SHA-256: `3febe0c32d270214734438486a92806f6c217aeedcdf3b53e43988f7ce052cc7`

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