PDF malware analysis — malicious · afc683adea11b1e6

MALICIOUS

PDF

44.5 KB Created: 2020-10-27 05:31:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26

MD5: 50a0088a447de53f7a2fbefdfc536525 SHA-1: 659bb219e281f28bf80eb13b176216a85533ebd1 SHA-256: afc683adea11b1e669da57480fdb49da0148f41d4e1c6e329b8c04a8faa860f3

184 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file contains a large number of embedded links, many of which point to disposable domains and appear to be part of an SEO link farm. One critical heuristic indicates a direct link to known malicious redirector infrastructure. The ML classifier also strongly flagged this PDF as malicious. The primary purpose appears to be directing users to potentially harmful external content or manipulating search engine results.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

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.
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.
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://gettraff.ru/pify?keyword=l%2527oreal+excellence+creme+instruction+leaflet In PDF document text
- https://kuromazu.weebly.com/uploads/1/3/2/6/132695519/xamibewamifotu_najop.pdfIn PDF document text
- https://bijifejutumaxob.weebly.com/uploads/1/3/1/3/131381781/xodam_retitowotekudim_nopef.pdfIn PDF document text
- https://vodipewelo.weebly.com/uploads/1/3/1/6/131637384/9275d28.pdfIn PDF document text
- https://kizekusoviwo.weebly.com/uploads/1/3/1/4/131453028/kipuweb_regedowisiroke.pdfIn PDF document text
- https://tijikazi.weebly.com/uploads/1/3/4/3/134373218/todesebare.pdfIn PDF document text
- https://laxuruvu.weebly.com/uploads/1/3/1/4/131482832/tuzobeg-bajuroz-kafibesakexi-tatokarege.pdfIn PDF document text
- https://sepikupi.weebly.com/uploads/1/3/0/7/130738949/gupejenu-dodorawokeno-velakuviwoxem-fobajozodeniwef.pdfIn PDF document text
- https://dokakida.weebly.com/uploads/1/3/1/3/131380589/riletibetumopik.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368972/normal_5f8bf151660bf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379846/normal_5f9115ff54686.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374002/normal_5f8d1ef0a4e21.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366367/normal_5f887d802eb2e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369324/normal_5f89bb116993e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365655/normal_5f8ff489541cb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0505/2163/7035/files/84898986135.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7877/9047/files/98688107602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1969/7303/files/didofakufurusuvijame.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2511/1967/files/ralaporu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de563e32-67a3-4803-bc22-a038e657d940/bemopufujifube.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec13d303-31f8-49e2-b18c-0e4979f323d4/57774456370.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73e51390-8f5a-4d36-bacf-e79ca897352f/netflix_error_nw-4-7-2.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_off00006fc0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6FC0	5068 bytes
SHA-256: `3787607dfac5d010f15545ce3d0fc87f74bd5da5ec3b2f9f204febc18c80906b`
`font_01_sfnt_off000080f3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x80F3	10468 bytes
SHA-256: `c468cd9f73398dede8bd82cf7ef56faefc6faafb3af7c432295e6564a0ca80b6`

Open this report in the interactive analyzer, or submit your own file for analysis.