PDF malware analysis — malicious · 6fe091983b09440a

MALICIOUS

PDF

43.8 KB Created: 2020-10-25 20:46:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15

MD5: cbff6f20eb30606c126730a192ffd3c9 SHA-1: 30df093018a1fd30befc9e2f11540500f0a165c3 SHA-256: 6fe091983b09440affcfc6123a6c3c67a9b9b07cb059497c02010133507a8fee

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains a large number of embedded links, many of which point to external PDF files hosted on various cloud storage services. One of the primary links, 'https://ttraff.link/123?keyword=hamilton+beach+microwave+900+watts+manual', is identified as a malicious redirector. The document's structure and the presence of a malicious redirector suggest it is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious sites.

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.link/123?keyword=hamilton+beach+microwave+900+watts+manual In PDF document text
- https://cdn-cms.f-static.net/uploads/4368503/normal_5f93d3ae5caa0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387590/normal_5f93977bb9457.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402711/normal_5f93f303f020c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366660/normal_5f8b57193182f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376127/normal_5f8f341758632.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368952/normal_5f878d3f3da56.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378857/normal_5f8cbe0434a39.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379489/normal_5f8c04f6b457d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366047/normal_5f871f1cb4a17.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406213/normal_5f943a776cf79.pdfIn PDF document text
- https://wajiresejepo.weebly.com/uploads/1/3/0/7/130774962/b4d0be56fe138ef.pdfIn PDF document text
- https://kivuligob.weebly.com/uploads/1/3/0/8/130874143/16b4abd1d49618e.pdfIn PDF document text
- https://moguvikob.weebly.com/uploads/1/3/0/8/130874292/lomukigutaxojer_porigejalojupe.pdfIn PDF document text
- https://xubuvene.weebly.com/uploads/1/3/1/3/131380433/wawit.pdfIn PDF document text
- https://xojisige.weebly.com/uploads/1/3/1/6/131637148/wipidobozuwalo_feligavafimiti.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/535129cd-e5c8-440e-91ac-9396d9c41fa3/80361954367.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ff17d42-768b-40aa-9b9a-e5cc9060ee57/6447199135.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/71363843-7cd8-4734-9caa-c657d0de0853/12040755697.pdfIn PDF document text
- https://s3.amazonaws.com/tadovu/86935610464.pdfIn PDF document text
- https://s3.amazonaws.com/donake/14502958780.pdfIn PDF document text
- https://s3.amazonaws.com/bitizopovopaso/xoxifazafokavoguxasiriki.pdfIn PDF document text
- https://s3.amazonaws.com/xanebavifamopez/20187855749.pdfIn PDF document text
- https://s3.amazonaws.com/xarojapi/wovozuworovito.pdfIn PDF document text
- https://s3.amazonaws.com/rowubunak/oxford_new_enjoying_mathematics_textbook_for_class_4.pdfIn PDF document text
- https://s3.amazonaws.com/zevutebulaworel/ansys_cfx_centrifugal_pump_tutorial.pdfIn PDF document text
- https://s3.amazonaws.com/xanebavifamopez/29255651045.pdfIn PDF document text
- https://s3.amazonaws.com/fusidejebi/juzezazo.pdfIn PDF document text
- https://s3.amazonaws.com/vogubivajavofu/hsc_blank_answer_sheet.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006654.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6654	5592 bytes
SHA-256: `815f744840450038d3d490ced406d7ec9e44e8d44bbcdd14a31ea8984be55966`
`font_01_sfnt_off00007939.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7939	11140 bytes
SHA-256: `564cbe90e85c2a37eeab0c8edf22c13053769d3d77568b0d8f142710cee1dd5d`

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