MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, a technique often used for SEO poisoning or to obscure malicious redirects. One critical heuristic identified a link to known malicious redirector infrastructure at 'ttraff.cc'. The ML classifier strongly indicated maliciousness, supporting the conclusion that this document is part of a malicious campaign.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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.cc/pify?keyword=two+letter+scrabble+words
- http://files.stevescustomtattoos.com/uploads/1/3/1/8/131871745/f392d08.pdf
- http://files.bradrussellmusic.org/uploads/1/3/1/6/131637218/tidoguwosi_bosura_wotefopaxe.pdf
- http://files.lecheminantbooks.com/uploads/1/3/1/8/131860938/49e51134f872f2.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/8697/1029/files/89473217738.pdf
- https://cdn.shopify.com/s/files/1/0428/1411/1903/files/jafotubigetadita.pdf
- https://cdn.shopify.com/s/files/1/0431/3173/2132/files/zedekukivezomegiropogep.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/47878122177.pdf
- https://cdn.shopify.com/s/files/1/0432/7243/7910/files/53073847066.pdf
- https://cdn.shopify.com/s/files/1/0430/6649/1031/files/58803738275.pdf
- https://cdn.shopify.com/s/files/1/0430/4732/1751/files/1913256598.pdf
- https://cdn.shopify.com/s/files/1/0430/8434/9591/files/6881982638.pdf
- https://cdn.shopify.com/s/files/1/0430/5934/7618/files/94935172628.pdf
- https://cdn.shopify.com/s/files/1/0433/4541/2261/files/gopixakagaxunowubiw.pdf
- https://cdn.shopify.com/s/files/1/0436/9537/4489/files/python_ascii_animation.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000649f.binadb20487424d6250edcabb571aecda99421166d81307f50f3ccbd11339babe31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x649F | 5116 bytes |
font_01_sfnt_off00007620.bineb7403fea17286f63e2b88cd9ac201b2f6e8b97e564d71a7b6abea72a997f32e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7620 | 10684 bytes |
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