PDF malware analysis — malicious · a6875e3242753ac0

MALICIOUS

PDF

47.5 KB Created: 2020-08-09 08:25:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a8f804a3a28c8ba8126335b263fde3f6 SHA-1: b4adbcf99d126f75d95c065a7e14ee3b0100cb55 SHA-256: a6875e3242753ac08c0889816249f75505fcbeb4fcc8ea2b0fd14e8ccb70d962

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass external link farm, with many links pointing to Shopify domains, likely for SEO manipulation. One critical heuristic firing indicates a direct link to a known malicious redirector infrastructure at https://ttraff.com/pify?keyword=across+the+universe+beth+revis+pdf. This suggests the document's primary purpose is to redirect users to malicious content. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=across+the+universe+beth+revis+pdf
- http://files.absolutelyradiantphotography.com/uploads/1/3/0/8/130874043/1466827.pdf
- http://files.shorelinehicap.org/uploads/1/3/0/8/130874246/maxexamasem.pdf
- http://files.cosmogonyart.com/uploads/1/3/2/8/132815767/sixizisazav-tovadipafidoput-wizevuf-wotafumuwupiza.pdf
- https://cdn.shopify.com/s/files/1/0430/3365/7507/files/tevurof.pdf
- https://cdn.shopify.com/s/files/1/0440/9124/4696/files/12116546910.pdf
- https://cdn.shopify.com/s/files/1/0434/8834/6262/files/gugakidaderuditosijivupo.pdf
- https://cdn.shopify.com/s/files/1/0430/9932/4580/files/gapup.pdf
- https://cdn.shopify.com/s/files/1/0437/6500/6494/files/canard_pc_linky.pdf
- https://cdn.shopify.com/s/files/1/0430/8022/0826/files/35350530941.pdf
- https://cdn.shopify.com/s/files/1/0427/9664/6556/files/bangla_islamic_book_free_download.pdf
- https://cdn.shopify.com/s/files/1/0428/3459/1907/files/59899104357.pdf
- https://cdn.shopify.com/s/files/1/0427/6781/0726/files/warhammer_40k_8th_edition_imperial_knights_codex.pdf
- https://cdn.shopify.com/s/files/1/0435/1816/5146/files/mla_referencing_style_examples.pdf
- https://cdn.shopify.com/s/files/1/0427/4916/5734/files/28026160900.pdf
- https://cdn.shopify.com/s/files/1/0429/2473/6678/files/pmbok_5th_edition_free_download_english.pdf
- https://cdn.shopify.com/s/files/1/0435/0381/2773/files/50492775212.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_off00007c73.bin` `e75559e8c9fade4303df26d389ff5217a669e7d25d2813728d82e955696a545f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C73	5188 bytes
`font_01_sfnt_off00008e1c.bin` `1d476d84fec8c0fb903f0cb7f972b081070205f58a11e4eb9021780306cb0a0a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E1C	10240 bytes

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