MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, but one critical link redirects to a known malicious domain (ttraff.com). This suggests a link farm or SEO poisoning tactic designed to drive traffic to malicious infrastructure. The ML classifier also strongly flagged this PDF as malicious.
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.com/pify?keyword=rules+for+forming+plural+nouns+worksheet
- http://werumuz.marionpalermadimaggio.com/uploads/1/3/1/3/131379179/duginulotewosur.pdf
- http://files.replica-eames.co.uk/uploads/1/3/0/7/130739122/jafawudaga.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/6015/8873/files/tuxuxonibebov.pdf
- https://cdn.shopify.com/s/files/1/0436/7430/4662/files/94522634249.pdf
- https://cdn.shopify.com/s/files/1/0429/4190/7100/files/vogik.pdf
- https://cdn.shopify.com/s/files/1/0432/8534/8508/files/6804045206.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pafinekumukomotutawewokab.pdf
- https://cdn.shopify.com/s/files/1/0434/7808/9878/files/tebukanijezen.pdf
- https://cdn.shopify.com/s/files/1/0427/9051/8940/files/18111254683.pdf
- https://cdn.shopify.com/s/files/1/0430/2100/9053/files/79149059027.pdf
- https://cdn.shopify.com/s/files/1/0430/9132/9173/files/metodos_anticonceptivos_2020_colombia.pdf
- https://cdn.shopify.com/s/files/1/0434/2530/0629/files/73614563552.pdf
- https://cdn.shopify.com/s/files/1/0430/7514/1794/files/sawodapupuzineliweza.pdf
- https://cdn.shopify.com/s/files/1/0431/0233/9232/files/faxodubixinon.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_off00005810.bin73e7f31660678c622ee4708e8b1df6f438bb134d5b6f71028ec3fe31721a2095 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5810 | 5476 bytes |
font_01_sfnt_off00006aa1.bin8917dfdcf4a543ec1a9444f10941b1dc7251790c1e714cc9ca7b7b2e685ba2de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AA1 | 10192 bytes |
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