PDF malware analysis — malicious · d2e28f7360623cc6

MALICIOUS

PDF

198.0 KB Created: 2021-05-16 00:43:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23

MD5: a5bfd97f266dd476a12210552f6c1091 SHA-1: b6992cc5c2b7b13f26542d4d5729de8715319585 SHA-256: d2e28f7360623cc6db584893c388810db7cbac644b2f6df44e889d092a97a7f1

96 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 external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9826

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://ponafet.ru/strik?utm_term=deadly+premonition+chess+puzzle+answer PDF link annotation
- https://static.s123-cdn-static.com/uploads/4412164/normal_5ff02b2c4b3a7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465390/normal_5ffb8d568e546.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://43081b45-6e48-4b43-b724-9328fda377ae.filesusr.com/ugd/26481d_5e47564b8eb7483681b46e15f70c5fa9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/87cf6469-cd83-4f86-8687-75cd69817989/dilalipolugabisagulotekod.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ecc72037-1c9d-481d-b074-a9f0eb0ede91/58718840636.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/19380092-c7a0-428f-a9ed-a26a504b17af/business_data_communications_infrastructure_networking_and_security.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd5ab0cb-259a-4d3f-ae68-ad5099b2e139/sufulamulopexekezuvijax.pdfIn PDF document text
- https://s3.amazonaws.com/bipepezuwed/batman_o_cavaleiro_das_trevas_mega.pdfIn PDF document text
- https://s3.amazonaws.com/tosevud/hamilton_beach_bread_maker_recipe_book.pdfIn PDF document text
- https://s3.amazonaws.com/luramamelolem/numibepofejisivizowazozip.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb23eb47-63b3-47ef-b626-d7a266c5d356/52939572535.pdfIn PDF document text
- https://cda84be5-0c54-4c05-8389-97bb004c798d.filesusr.com/ugd/fa9f00_30b79a4c3ca0436783967601eb032672.pdf?index=trueIn PDF document text
- https://6a24fdd2-d4a5-4c4b-882b-0f3115751bcf.filesusr.com/ugd/04e6f9_82ad0cc3ea684cd8aa1365fa01d3e5aa.pdf?index=trueIn PDF document text
- https://7afd96e6-4611-46d4-9b98-d111b897c281.filesusr.com/ugd/154221_07ded81f78244ce6b487842034529b9a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fb83d18d-9878-4a78-9eeb-4c7730fac76e/can_straight_talk_phones_use_hotspot.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/95e674b7-0bc1-403e-92ad-2ba8f3db917b/samsung_smart_tv_55_inch_4k_price_in_india.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12f08a0e-6646-4799-87bf-c3f2db3454b9/expert_card_technique.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/36f86c7f-837a-4eb9-a264-d56a805cd8fc/the_secret_life_of_walter_mitty_streaming_ita.pdfIn PDF document text
- https://s3.amazonaws.com/bisute/spotify_web_player_songs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ad743378-89d5-47f1-a7a2-d2c3854d06f8/30120435016.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ae1dd58d-87e4-4464-8c27-d8fd93301363/honeywell_programmable_light_switch.pdfIn PDF document text
- https://s3.amazonaws.com/zalomi/58676756183.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00029c52.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x29C52	7784 bytes
SHA-256: `baaa4285b31f0e3a21908b1c2b5cddbf1ffe30d60c57047040a2d9dfb4cdfcd5`
`font_01_sfnt_off0002b6c9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2B6C9	5556 bytes
SHA-256: `41900d294c24d9fc5ca7d12ced68d35b76d3f3ea52d6c08ea84f8ea09ccd53a5`
`font_02_sfnt_off0002c9a8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C9A8	12716 bytes
SHA-256: `a687a03432f69868b4525464570237ac7164dfef8bcb445e6190ae15abad90b3`
`font_03_sfnt_off0002f36b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F36B	16132 bytes
SHA-256: `d0895104ad06a099dab04096a16ecdc18ba45f452f1ad1c7801102bd1b2c39a1`

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