Malicious PDF — malware analysis report

Static analysis result for SHA-256 742bf52a517ed8df…

MALICIOUS

PDF

47.5 KB Created: 2020-08-07 01:07:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ee8ee1c5b9151f956e0b1256368465c5 SHA-1: 9fb35f06a392e25da867183d05b85383011906d3 SHA-256: 742bf52a517ed8df1dbeb21f63ad35659dbb16013b41434ad4f359eab27a8700
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

This PDF document is identified as malicious due to its use of a redirector link to known malicious infrastructure and its structure as a link farm, likely for SEO poisoning. The content suggests an advance-fee scam, luring users with promises of government schemes or prizes. The embedded URL 'https://ttraff.com/pify?keyword=prime+minister+awas+yojana+form+pdf' is a critical indicator of malicious intent, likely leading to further malicious content or exploitation.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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.com/pify?keyword=prime+minister+awas+yojana+form+pdf
    • http://files.lionfoundation.net/uploads/1/3/1/0/131069763/nesol_topanifa_botirare_lujotoz.pdf
    • http://files.marthatorresfoodstylist.com/uploads/1/3/0/9/130969847/xifoveleguvu.pdf
    • http://files.mandmcattlecompany.com/uploads/1/3/0/7/130776027/xalatadaxati.pdf
    • http://files.trattoria89.com/uploads/1/3/2/7/132740362/rodezimedizoret_wopulod_wivos_wularuxev.pdf
    • http://files.enchantedcirclesseries.com/uploads/1/3/1/4/131438137/fifan.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0431/3006/0955/files/5051470823.pdf
    • https://cdn.shopify.com/s/files/1/0439/0476/2011/files/36863102496.pdf
    • https://cdn.shopify.com/s/files/1/0437/3626/8949/files/pragmatic_in_linguistics.pdf
    • https://cdn.shopify.com/s/files/1/0434/6976/6821/files/58586371209.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zafon.pdf
    • https://cdn.shopify.com/s/files/1/0436/7443/5737/files/deadlock_in_operating_system_tutorialspoint.pdf
    • https://cdn.shopify.com/s/files/1/0435/3510/6203/files/kigafoxavonosiwupegidogaw.pdf
    • https://cdn.shopify.com/s/files/1/0433/3695/8104/files/fofakojawe.pdf
    • https://cdn.shopify.com/s/files/1/0438/8470/7992/files/laxegenodobej.pdf
    • https://cdn.shopify.com/s/files/1/0431/0702/5056/files/riwabomurajipaf.pdf
    • https://cdn.shopify.com/s/files/1/0434/2729/9478/files/bicycle_design.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000763a.bin
b5e5c89f25790650ceb06cd81624d77cf73ca3d4d60530f49d3381b8ff1ac5bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x763A 5428 bytes
font_01_sfnt_off000088b5.bin
5830e409611646051871c14d6134ad55cab61fabb75d01c970935a119aa60d5f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x88B5 12572 bytes

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