Malicious PDF — malware analysis report

Static analysis result for SHA-256 60007bebed883a7c…

MALICIOUS

PDF

68.9 KB Created: 2021-02-16 05:05:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: d573e250bdba76ff9cd63f07580dd130 SHA-1: 92db43ee5376530cc1b3439f91ec3bac72609ff1 SHA-256: 60007bebed883a7caa93612139895d438010d0f7a3b4ffc78ce4f053b03f09e0
254 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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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.
  • 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://yafferge.ru/wix?keyword=b.+lateralis+roaches+for+sale In PDF document text
    • https://cdn.sqhk.co/vamunidibu/erzMgf4/arcade1up_pacman_cocktail_table_with_stools.pdfIn PDF document text
    • https://sufudavinor.weebly.com/uploads/1/3/1/3/131381021/bewoxuvejeka.pdfIn PDF document text
    • https://cdn.sqhk.co/timugulirebu/shdi3we/81651442522.pdfIn PDF document text
    • https://cdn.sqhk.co/molipigi/jjWjhjf/mapewonezuligefes.pdfIn PDF document text
    • https://cdn.sqhk.co/dikulodut/hcjghhm/smash_police_car_outlaw_run.pdfIn PDF document text
    • https://cdn.sqhk.co/kufalavoxig/i1WVPic/grand_californian_hotel_phone_number.pdfIn PDF document text
    • https://cdn.sqhk.co/sitosuduf/Sibgg7q/xekazeruteg.pdfIn PDF document text
    • https://cdn.sqhk.co/wobuwozavenu/jjWgLa2/73814787895.pdfIn PDF document text
    • https://cdn.sqhk.co/dederubap/gbhcWgg/49609039032.pdfIn PDF document text
    • https://cdn.sqhk.co/tevosenijosu/2hehbnr/renevudovo.pdfIn PDF document text
    • https://cdn.sqhk.co/jewipabefoji/gcHnhgO/electronic_music_for_studying_mp3_download.pdfIn PDF document text
    • https://viwutexotopuj.weebly.com/uploads/1/3/4/5/134522905/farafexasija.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/nefomojuwet/nixuto.pdfIn PDF document text
    • https://s3.amazonaws.com/falufusu/fisabaverenavufobudok.pdfIn PDF document text
    • https://s3.amazonaws.com/nufidibodudulad/peter_roach_english_phonetics_and_phonology.pdfIn PDF document text
    • https://s3.amazonaws.com/xamapebonijos/anderson_paak_tiny_desk.pdfIn PDF document text
    • https://s3.amazonaws.com/womirofop/42912957637.pdfIn PDF document text
    • https://s3.amazonaws.com/fojaxexino/wufereku.pdfIn PDF document text
    • https://s3.amazonaws.com/sitozi/android_auto_app_for_iphone.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.

FilenameKindSourceSize
font_00_sfnt_off0000c5d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5D6 4732 bytes
SHA-256: 47244cefd007b33578379dd54c3c7f10b5a0227bdb618e65f00127fbde299c07
font_01_sfnt_off0000d5f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5F8 9980 bytes
SHA-256: eaa8c120edafbb201ef2b72c5759e5abd91ab8a54b298d0f1095646e21274f4c
font_02_sfnt_off0000f837.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF837 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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