PDF malware analysis — malicious · d1eaac99bac9e942

MALICIOUS

PDF

43.4 KB Created: 2020-08-09 22:18:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 900b366c290f9669f4045108cb19c89b SHA-1: 1d5f0efb8ebc70652fe199bec1a23f57dcc05c09 SHA-256: d1eaac99bac9e9420a13bf72a5b41618ea1ecaa40a593db1fcc77420dac9ed1d

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'Accountant resume format pdf' and the malicious URL 'https://ttraff.com/pify?keyword=accountant+resume+format+pdf', suggesting a lure to a phishing or malware distribution site. The presence of a large number of external PDF links also points to a link farm or SEO manipulation tactic.

Heuristics 3

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.
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=accountant+resume+format+pdf
- http://zasova.jemoweryandsoninc.com/uploads/1/3/0/8/130813612/galikoko.pdf
- http://bebesof.stephshawcostumes.com/uploads/1/3/1/3/131380345/murigerukud-jesawaxile-luninesidina-wewino.pdf
- http://files.hcwellnesscenterandspa.com/uploads/1/3/0/7/130739081/rukatofo.pdf
- https://cdn.shopify.com/s/files/1/0434/0298/5622/files/systems_of_equations_word_problems_worksheet_algebra_1.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/blood_hunter_orders.pdf
- https://cdn.shopify.com/s/files/1/0432/6280/4136/files/fokudowurufojujota.pdf
- https://cdn.shopify.com/s/files/1/0427/8334/2748/files/spotify_block_ads.pdf
- https://cdn.shopify.com/s/files/1/0433/5638/9528/files/40659167670.pdf
- https://cdn.shopify.com/s/files/1/0431/7125/0333/files/97082023734.pdf
- https://cdn.shopify.com/s/files/1/0440/6103/2598/files/elementary_algebra_formulas.pdf
- https://cdn.shopify.com/s/files/1/0437/6127/0935/files/human_digestive_system_test.pdf
- https://cdn.shopify.com/s/files/1/0429/0379/7913/files/lamewijazuguto.pdf
- https://cdn.shopify.com/s/files/1/0433/4203/7150/files/basowavutavapusatoza.pdf
- https://cdn.shopify.com/s/files/1/0429/1044/9830/files/72672419877.pdf
- https://cdn.shopify.com/s/files/1/0428/5959/3894/files/17995899850.pdf
- https://cdn.shopify.com/s/files/1/0430/6134/6466/files/38220916678.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57955619809.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006b57.bin` `bfc9beb2c1e3cf7f438c96ea554388c8b01bba9f102d7f336b2658bb8b1fb411`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B57	5260 bytes
`font_01_sfnt_off00007d26.bin` `ea6c8551a160eb5e8a999efee4185eebe6f12efd532be1b083a4ad3aee804a1f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D26	10364 bytes

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