Malicious PDF — malware analysis report

Static analysis result for SHA-256 48945546e879be39…

MALICIOUS

PDF

49.5 KB Created: 2020-10-29 19:08:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: d241c9727454579f00f24cde3e98e5b8 SHA-1: 605aae81168c1d891595be551adba4a87590746e SHA-256: 48945546e879be397e5f4d9da3ec3d4629bdef1f40389fa6be2c4e881a4ac207
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a link to a redirector infrastructure, which is a common tactic for distributing malware or phishing content. The embedded text and numerous external links suggest an attempt to create a link farm or direct users to malicious content, likely related to the 'Smashy road mod apk download' lure. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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://ttraff.club/pify?keyword=smashy+road+mod+apk+download In PDF document text
    • https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/bozobemazu_xilubojipikex.pdfIn PDF document text
    • https://sisaseno.weebly.com/uploads/1/3/0/7/130776680/85992d0a35.pdfIn PDF document text
    • https://mojipolizu.weebly.com/uploads/1/3/4/3/134318612/sofinafifekugaxiwin.pdfIn PDF document text
    • https://tiposowa.weebly.com/uploads/1/3/1/1/131164246/kozid.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/kavitokolezub/21821415117.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a85ca326-6f7c-4862-b95a-74eed66b6098/archero_farming_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5ad9cbaa-b6a6-4174-a507-4a3b01b31a3c/22415589835.pdfIn PDF document text
    • https://s3.amazonaws.com/mijedusovineti/43069723261.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b96a8c27-ca7e-4ad4-b6ae-ddf030fa09d3/65930107105.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/75b88c29-1f4f-49e4-850a-2e1652f2a644/17669442324.pdfIn PDF document text
    • https://s3.amazonaws.com/juduk/60240627808.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce89e42e-6ee1-4a49-b95e-441628d484ac/matt_fink_prince.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c15f5962-9ded-46f5-be73-0a8727566854/order_of_the_stick_download.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_off0000777a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x777A 5104 bytes
SHA-256: 4943df1d00b328532cca042413d71f5723c393c8b24211ea850d89d82142f29a
font_01_sfnt_off000088a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88A8 9900 bytes
SHA-256: cdffe8b56bb6b787674ec253bdb14483a3577a3bed56ad8ef628e86c7c17a3df
font_02_sfnt_off0000aa83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA83 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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