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, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to known malicious redirector infrastructure at https://ttraff.com/pify. The document body also contains the same URL, indicating a likely attempt to redirect users to malicious content under the guise of providing free book downloads.
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=atal+bihari+vajpayee+books+pdf+free+download
- http://files.ibrowsebooks.com/uploads/1/3/1/8/131857565/2934539.pdf
- http://files.theaustintexasteaparty.com/uploads/1/3/1/1/131164431/kilak.pdf
- http://files.jeremybraden.com/uploads/1/3/2/3/132302859/sovak-jitixowebirew.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/0682/7428/files/64_as_a_fraction.pdf
- https://cdn.shopify.com/s/files/1/0433/3282/9342/files/dujewatusekugadojadef.pdf
- https://cdn.shopify.com/s/files/1/0430/4656/8098/files/matekemaxebatifesixulus.pdf
- https://cdn.shopify.com/s/files/1/0436/1119/3501/files/66594547246.pdf
- https://cdn.shopify.com/s/files/1/0434/3509/8264/files/85406056851.pdf
- https://cdn.shopify.com/s/files/1/0429/0058/6649/files/87535648080.pdf
- https://cdn.shopify.com/s/files/1/0428/6211/7020/files/the_banking_act_of_ghana.pdf
- https://cdn.shopify.com/s/files/1/0432/9360/6046/files/at_t_premier_login.pdf
- https://cdn.shopify.com/s/files/1/0436/0473/8206/files/vakobajuwebi.pdf
- https://cdn.shopify.com/s/files/1/0429/1995/2540/files/lukodetonadunojiw.pdf
- https://cdn.shopify.com/s/files/1/0436/3943/9510/files/7380834289.pdf
- https://cdn.shopify.com/s/files/1/0433/6559/7342/files/biblia_del_nuevo_testamento.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_off000074ad.bin99ca292ba8ea09992cd2a180bedb0d8a77c3422f24d92ad1ed2518746e19fa63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74AD | 5652 bytes |
font_01_sfnt_off000087f2.bin3932f77f97ab738cd05edeeb5b6ff31ea017229d13d60545bca144da171fe1ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87F2 | 10272 bytes |
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