PDF malware analysis — malicious · bb0a99a8853c6847

MALICIOUS

PDF

52.2 KB Created: 2020-10-27 06:52:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14

MD5: bfc839a6c7f00772b5ed27c7ee1c1a50 SHA-1: 7039accbb5873262a50810809d93d9865c86f310 SHA-256: bb0a99a8853c684776a0e43c9610f5738da43fd0d05787e5b1a3c223696d8fc0

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links to external websites, with at least one identified as a malicious redirector. The document body, though partially corrupted, contains text that appears to be a lure for a 'Camp currier map'. The presence of a large number of outbound links suggests a link farm or redirection scheme designed to lead users to malicious infrastructure.

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://gettraff.ru/strik?keyword=camp+currier+map In PDF document text
- https://finiluxexolije.weebly.com/uploads/1/3/1/8/131856594/009f6df5f7df7.pdfIn PDF document text
- https://dosedoduni.weebly.com/uploads/1/3/4/3/134347632/zosuruju-jafokikelirus-zidisupuwosigo.pdfIn PDF document text
- https://sopulekazixov.weebly.com/uploads/1/3/0/7/130776801/gagifidosedosef.pdfIn PDF document text
- https://jeponiruwapin.weebly.com/uploads/1/3/0/7/130776483/topopigalola-gopokewufela-vegavugide-newivox.pdfIn PDF document text
- https://ruwadegefanum.weebly.com/uploads/1/3/4/1/134108857/795c3019165.pdfIn PDF document text
- https://zunuduzeguw.weebly.com/uploads/1/3/4/3/134344012/vutudugefalowexuk.pdfIn PDF document text
- https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/9836671.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://uploads.strikinglycdn.com/files/12e32080-0fea-42e3-a9dd-8f04e9a95676/75031226405.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6dfc05b8-95a9-4824-a196-c08d7a4f6d73/pexuluxotunabetakojapamo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0497/1518/3777/files/jitunewagokoxulup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0495/5888/0408/files/partial_derivative_calculator_wolfram.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1140/5986/files/nejeriwatagokekur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7848/3097/files/35367753223.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5245/6346/files/ffxiv_ast_healing_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0499/8361/9232/files/sipuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5417/7185/files/iaf_result_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1347/0365/files/elements_of_chemical_reaction_engineering_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/5321/9479/files/how_to_thread_a_singer_sewing_machine_heavy_duty.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0268/8525/9457/files/direct_and_inverse_proportion.pdfIn PDF document text
- https://s3.amazonaws.com/muvemasoxaji/44723860950.pdfIn PDF document text
- https://s3.amazonaws.com/sugaguxagu/belajar_bahasa_korea_pemula.pdfIn PDF document text
- https://s3.amazonaws.com/regufojalojaza/4223973523.pdfIn PDF document text
- https://s3.amazonaws.com/mijedusovineti/the_autobiography_of_benjamin_franklin_dover_thrift_edition.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_off0000817a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x817A	4476 bytes
SHA-256: `48194f349311e64c1d9cffd6811f4d0b37e86699b7a2120da729c155bdc94987`
`font_01_sfnt_off000090aa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x90AA	10772 bytes
SHA-256: `12a8aa9d65801e5b96a5d95b2255585a896059f640e3572eb6f59a31c4515b2c`
`font_02_sfnt_off0000b526.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB526	4324 bytes
SHA-256: `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`

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