PDF malware analysis — malicious · 72b4114fde26e8c2

MALICIOUS

PDF

41.3 KB Created: 2020-10-25 09:42:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-28

MD5: d72a7d4f8146debe0b4d9788f2b3500b SHA-1: 33adfda198ca2e9ca20f08a02ca332a6db30c511 SHA-256: 72b4114fde26e8c2d1777a5dadf657cd805eb7c6cbb32cf9a54c2aac407050fb

154 Risk Score

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://cctraff.ru/wb?keyword=author In PDF document text
- https://cdn-cms.f-static.net/uploads/4369654/normal_5f8e32fceff33.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393364/normal_5f8eb5428d89d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393356/normal_5f91ed61a4ab6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369626/normal_5f8e95f122a24.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/rimepusox/53927120850.pdfIn PDF document text
- https://s3.amazonaws.com/xidulumexi/objectives_of_annual_general_meeting.pdfIn PDF document text
- https://s3.amazonaws.com/zirojopemup/list_of_adverbs_of_time.pdfIn PDF document text
- https://s3.amazonaws.com/mijedusovineti/31595698104.pdfIn PDF document text
- https://s3.amazonaws.com/wibedubosateg/pictionary_cards_easy.pdfIn PDF document text
- https://s3.amazonaws.com/sugaguxagu/vomitojo.pdfIn PDF document text
- https://s3.amazonaws.com/susopuzupure/buwewazode.pdfIn PDF document text
- https://s3.amazonaws.com/jamokaroxoj/bugepejatarerutipenavor.pdfIn PDF document text
- https://s3.amazonaws.com/leguvefu/agenda_2030_del_desarrollo_sostenible.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2306/4488/files/84975396347.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0502/2662/6718/files/text_to_speech_android_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0504/2795/3312/files/enable_nfc_in_android_emulator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1437/4054/files/age_of_wushu_suzhou_random_encounter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9644/8917/files/patagonia_size_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0500/8556/0506/files/50895530998.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0507/0697/2832/files/manual_moderno_pruebas_psicologicas_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0498/0293/6477/files/introducing_the_positions_for_violin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0480/6603/5876/files/roxifowanijo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3337/0529/files/100s_chart.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_off00006200.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6200	5540 bytes
SHA-256: `82c6d4df0dd68c83142c3aba782dab4af95a8c5a26fca4d36e97105813f21282`
`font_01_sfnt_off000074f0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x74F0	10120 bytes
SHA-256: `5c5bf97927d9af8075a7d0744ae7dd994b14d07319d50636c096efa191bd4509`

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