MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, with a critical heuristic firing for a PDF link farm. One of the primary links directs to a known malicious redirector. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs. The presence of numerous Shopify URLs, while some are confirmed benign, suggests an attempt to blend malicious links with legitimate-looking ones.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINKPDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
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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=deadmau5+strobe++free In PDF document text
- http://files.leadershipcentersw.org/uploads/1/3/0/8/130815213/xofonifa.pdfIn PDF document text
- http://files.iowaaces360.org/uploads/1/3/1/4/131453989/gopoxe.pdfIn PDF document text
- http://files.smokeandfirecigars.com/uploads/1/3/1/6/131637889/pagimipix_lujiv_nigazokerovam_vezobaxan.pdfIn PDF document text
- http://files.columbiadentcenter.com/uploads/1/3/0/9/130969910/jubegonakajij-desagomabof-sateno-pikilolot.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9921/0407/files/texezatixagu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0665/6666/files/komoronudoxikaredamotuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0618/8955/files/4786028356.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1371/6643/files/xiwigivuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6633/6167/files/pijukigukineb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8397/1237/files/56819007907.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4894/4295/files/serikuzejafugar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2715/9448/files/nenozadule.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3452/5347/files/vetuxotexajosadusuru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0485/4426/files/fofet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0832/7829/files/54038762169.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1376/6293/files/borivuva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4112/8601/files/60328537615.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3387/8940/files/85284286486.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e598.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE598 | 6588 bytes |
SHA-256: 4e1a9c4cb32f1bc4ff176ae4dc1460c31b2d267bf2def0252f23ad2731e7be72 |
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font_01_sfnt_off0000f611.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF611 | 5012 bytes |
SHA-256: f1671c602f9b8a0c714da8a4092ee887e94c695d0e7d132f86b6d0addefbb9ec |
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font_02_sfnt_off00010722.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10722 | 10996 bytes |
SHA-256: 52089d557cf3a8e96b6d954ec5b50760edf56f6c6e7cc6cb5e0be12165d64e0d |
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