MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, suggests a lure related to 'free pdf books'. The presence of numerous external PDF links, many pointing to Shopify, further supports a link-farming or redirection scheme. No scripts were extracted, but the primary attack vector appears to be social engineering via a malicious link.
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=landscape+architecture+free+pdf+books
- http://files.ajsartstudio.com/uploads/1/3/2/3/132302960/lopulufow.pdf
- http://files.gallery2828.com/uploads/1/3/2/3/132303163/8d004eae61206.pdf
- http://files.felonybbqonline.com/uploads/1/3/1/3/131378835/fubewupatonelekejobi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/7266/8319/files/65431685428.pdf
- https://cdn.shopify.com/s/files/1/0429/0235/6127/files/63376124004.pdf
- https://cdn.shopify.com/s/files/1/0438/6275/3445/files/sigejusofufetogesaletare.pdf
- https://cdn.shopify.com/s/files/1/0431/1921/4756/files/10780151826.pdf
- https://cdn.shopify.com/s/files/1/0429/8866/7034/files/banojuwoze.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jepomosojavadoji.pdf
- https://cdn.shopify.com/s/files/1/0431/2065/6545/files/31768226704.pdf
- https://cdn.shopify.com/s/files/1/0432/2502/2621/files/gipafi.pdf
- https://cdn.shopify.com/s/files/1/0433/4151/2855/files/74718026426.pdf
- https://cdn.shopify.com/s/files/1/0433/8050/6791/files/kazeli.pdf
- https://cdn.shopify.com/s/files/1/0430/0632/8995/files/55746173070.pdf
- https://cdn.shopify.com/s/files/1/0431/1462/7223/files/pukoxupapo.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_off00007b07.binb9448a0dfa45fb71980cc1442f3dd8fa00e1a66fd3425c3ad6cd95ca93c68e14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B07 | 5236 bytes |
font_01_sfnt_off00008cbf.bin20295486e117f79c1ddc66e77ef4045f85d909e2858d432addc80291f6036582 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CBF | 10568 bytes |
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