PDF malware analysis — malicious · 72e315e746b1331f

MALICIOUS

PDF

48.2 KB Created: 2020-10-28 14:04:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27

MD5: 379f4886d4398fe32df5b7805ea5c769 SHA-1: c02a3aa503c5c6b3662ba886fb44f91b7f4bbc5e SHA-256: 72e315e746b1331f4468676abf3e1f46fb09396d4a215f24a165932a4025950c

162 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a high number of embedded links, many of which point to external resources, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure. The document body contains text related to 'Minecraft alts' and a URL that appears to be part of this lure, indicating an attempt to attract clicks.

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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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=minecraft+alts+november+2015 In PDF document text
- https://cdn-cms.f-static.net/uploads/4368497/normal_5f90dbebe7830.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392444/normal_5f9283dd99d6b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366676/normal_5f9787770e992.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403561/normal_5f990d4ccd70c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393641/normal_5f94eae30bb88.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385235/normal_5f9751d59a1c0.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/tifuwuw/freeware_to_word_converter_software_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/8508/2008/files/3.5_unearthed_arcana.pdfIn PDF document text
- https://s3.amazonaws.com/zetare/5581968261.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e846c797-9ea7-460d-bf40-cf889b9ef5a1/papeza.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0122aa4-bdd9-4d22-863d-7a4d628b9aa8/4935534128.pdfIn PDF document text
- https://s3.amazonaws.com/tetazino/xemobomedeta.pdfIn PDF document text
- https://s3.amazonaws.com/fizaxo/revista_boticario_ciclo_18_2018.pdfIn PDF document text
- https://s3.amazonaws.com/mamibis/32685378515.pdfIn PDF document text
- https://s3.amazonaws.com/donake/viwivafexowoxerilulugu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cff15365-6c78-40ef-bea0-e59198bf48f7/vidum.pdfIn PDF document text
- https://s3.amazonaws.com/susopuzupure/alopecia_types.pdfIn PDF document text
- https://s3.amazonaws.com/fusidejebi/watch_force_awakens_online_putlocker.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c7916375-2208-44de-ac22-8e736ce7db30/fofupibujodowafugire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4647/5675/files/sap_tutorial_for_beginners_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/572bc4eb-da99-44f0-97e9-8d886616c35d/32669011574.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6773/6225/files/paradise_lost_poem_analysis.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00006969.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6969	5468 bytes
SHA-256: `7f6838b017466aa484fd84da315c3f27eb125afc03491985949cfbed441b5377`
`font_01_sfnt_off00007bf5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7BF5	12404 bytes
SHA-256: `e6635d71e0257edaa6d7b1839201f8851932b79d58af351a70b9eabd81d5ca40`
`font_02_sfnt_off0000a504.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA504	4324 bytes
SHA-256: `a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f`

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