MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
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 a known malicious redirector at 'https://ttraff.ru/pify?keyword=feline+leukemia+guidelines'. The document body, though partially corrupted, contains text related to 'Feline leukemia guidelines', likely a lure to encourage clicks on the embedded malicious links.
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.ru/pify?keyword=feline+leukemia+guidelines
- http://files.cozykidsembroidery.com/uploads/1/3/1/4/131409170/ninebafakafekip.pdf
- http://files.catholicnewmancenterlssu.org/uploads/1/3/0/8/130874458/miwipujowuw.pdf
- http://bipeju.nhscompetitivedanceteam.com/uploads/1/3/1/8/131856158/6650738.pdf
- https://cdn.shopify.com/s/files/1/0431/1918/1985/files/fofekagelanada.pdf
- https://cdn.shopify.com/s/files/1/0431/3359/9893/files/gmat_preparation_books.pdf
- https://cdn.shopify.com/s/files/1/0434/0449/2950/files/xisavemujisiwuji.pdf
- https://cdn.shopify.com/s/files/1/0430/8231/7991/files/conjunctions_exercises_intermediate.pdf
- https://cdn.shopify.com/s/files/1/0433/8168/6437/files/dudepadobomuxum.pdf
- https://cdn.shopify.com/s/files/1/0431/1692/0994/files/crossword_answer_for_deliberate_ploy.pdf
- https://cdn.shopify.com/s/files/1/0435/2563/6248/files/vudifulawepufemomibave.pdf
- https://cdn.shopify.com/s/files/1/0427/5381/8790/files/bnf_72_download.pdf
- https://cdn.shopify.com/s/files/1/0435/7400/1825/files/15869372396.pdf
- https://cdn.shopify.com/s/files/1/0431/3969/4741/files/74108200859.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_off00006364.bin91f1b21a9bd8caa6e8ab281490bfa90b2a137dbde9d12aa4c0c8971843b5b5f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6364 | 5068 bytes |
font_01_sfnt_off00007491.bin37021ed82e5814ed69e2c562ef82983b4d64435bcf62ef766f71b13fcbbf1ebc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7491 | 10096 bytes |
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