Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d9f70d25e0df038…

MALICIOUS

PDF

69.9 KB Created: 2021-03-06 07:03:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: 02bc4b697bfa6a31b5f900f20b7c7433 SHA-1: b4e98aca7343b5253e215360fd44c50e6188f207 SHA-256: 1d9f70d25e0df03895cf8c58d5c6836449f21505da896998345989b9a45fa872
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • 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://xajibur.ru/award?keyword=an+introduction+to+language+and+linguistics+textbook PDF link annotation
    • https://vegekonewipure.weebly.com/uploads/1/3/5/9/135964828/bepunegomuzegof.pdfIn PDF document text
    • http://wigoxusopipevur.iblogger.org/3813299605.pdfIn PDF document text
    • https://dumidonawusirug.weebly.com/uploads/1/3/5/3/135306770/nusanapivapo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465402/normal_60129c5e4bf71.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391013/normal_6019b48b8f61b.pdfIn PDF document text
    • http://xelasurugopu.mywebcommunity.org/barrons_ap_calculus_chapter_3_answers.pdfIn PDF document text
    • http://gefosezidubajoz.scienceontheweb.net/download_altered_carbon_resleeved_2020_sub_indo.pdfIn PDF document text
    • https://webakutukulufu.weebly.com/uploads/1/3/2/6/132683024/nemawuvusudivowej.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402297/normal_601d33ceba89a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384655/normal_60293c4eb95f8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/6c0a00ad-3b67-4597-bb77-64762558c4dd/tutatun.pdfIn PDF document text
    • http://vavadot.onlinewebshop.net/561843935.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/81506e2e-a896-4ce8-8e08-3f250c3219e9/37600684718.pdfIn PDF document text
    • https://044e8d80-c429-4a1f-820d-9b443c65b389.filesusr.com/ugd/53c654_59370522dea74336b7a24d856e24e489.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/ae5d2ffa-7654-4d79-a8e1-f6bdd9f5b29e/nevofexewotifukefefe.pdfIn PDF document text
    • http://safedoguno.onlinewebshop.net/jaxuragowafotalakiladulu.pdfIn PDF document text
    • https://87da31d5-d184-45e7-a456-0ad082c8bd65.filesusr.com/ugd/55e94a_99aea61fc3244dbba486601278d130f8.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/72ad5284-4c37-4872-a441-a41ec01ec3b5/john_deere_lawn_tractor_for_sale_craigslist.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fd247c5c-5946-4147-92ca-027b8d336e9d/53134699708.pdfIn PDF document text
    • http://tamakibegotilo.epizy.com/58080550510.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d531.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD531 5368 bytes
SHA-256: feff6940cde5a3aa493052da8bff1a3ed6666e9edc276ab5b6943a67fd48bd1f
font_01_sfnt_off0000e787.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE787 10236 bytes
SHA-256: 63afe63eb7f56780e31d52cd29142b1ed43c0b601807b93ef2639a17b67c9e47

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