MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm pointing to numerous PDFs hosted on Shopify, likely as a SEO spam or content farm. One of the critical heuristic firings indicates that a link within the PDF points to known malicious redirector infrastructure, specifically 'https://ttraff.cc/pify?keyword=html+to+pdf+php+library'. This suggests the document is designed to trick users into clicking the link under the guise of a useful tool, leading them to malicious sites. 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.cc/pify?keyword=html+to+pdf+php+library
- http://files.mrsnoacksclass.com/uploads/1/3/1/4/131437848/c3e7e08d8ea8cd.pdf
- http://morowuki.threeatlantacats.com/uploads/1/3/0/7/130738714/rekidupatazuwepewi.pdf
- http://fiwena.dulleslibrary.com/uploads/1/3/2/8/132814930/6727548.pdf
- https://cdn.shopify.com/s/files/1/0428/2135/3635/files/30076816584.pdf
- https://cdn.shopify.com/s/files/1/0433/0674/6011/files/harry_potter_book_one.pdf
- https://cdn.shopify.com/s/files/1/0428/3134/7868/files/21441893154.pdf
- https://cdn.shopify.com/s/files/1/0433/4000/5541/files/free_bullet_journal_printables_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/9543/3117/files/nilaboxudesawetapapekuj.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91960476686.pdf
- https://cdn.shopify.com/s/files/1/0436/0772/0094/files/38608212456.pdf
- https://cdn.shopify.com/s/files/1/0431/7298/7046/files/57606680223.pdf
- https://cdn.shopify.com/s/files/1/0436/9183/5547/files/87952160162.pdf
- https://cdn.shopify.com/s/files/1/0428/0408/4899/files/walafubijilubalasoxeka.pdf
- https://cdn.shopify.com/s/files/1/0435/8933/7256/files/gulenuwitatexikoke.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_off000068be.bine5aa745a4e9020e02f6f2951ed5c09877352ef97e6c81b75b178353acda29263 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68BE | 5308 bytes |
font_01_sfnt_off00007aa2.bin3968807831a452486b8d3776d081a131ff966311cf39fd024bbe4d903824d85d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AA2 | 13756 bytes |
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