MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic indicates that the PDF links to a known malicious redirector infrastructure, specifically 'ttraff.com'. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=etiology+of+bronchial+asthma+pdf', suggesting a lure to download a PDF related to bronchial asthma, which then redirects to a malicious site.
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=etiology+of+bronchial+asthma+pdf
- http://files.localcraft.net/uploads/1/3/1/0/131071315/jokot.pdf
- http://files.terrafirmaroasting.com/uploads/1/3/2/6/132682819/36ba9f8be3.pdf
- http://files.mandelnewman.com/uploads/1/3/1/3/131379828/gozuv.pdf
- https://cdn.shopify.com/s/files/1/0435/8592/9375/files/the_nanny_season_1_episode_3.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78394199391.pdf
- https://cdn.shopify.com/s/files/1/0431/7233/1675/files/82046286505.pdf
- https://cdn.shopify.com/s/files/1/0432/5064/7202/files/big_ideas_math_algebra_2_solutions.pdf
- https://cdn.shopify.com/s/files/1/0437/1759/1189/files/arturia_audiofuse_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/1490/5256/files/anna_karenina_book_free.pdf
- https://cdn.shopify.com/s/files/1/0431/1020/3556/files/20700242270.pdf
- https://cdn.shopify.com/s/files/1/0431/5981/4306/files/nikitorovaseripomuxetopo.pdf
- https://cdn.shopify.com/s/files/1/0437/9066/3832/files/xenumepupurunafatu.pdf
- https://cdn.shopify.com/s/files/1/0427/9074/8316/files/2020_ca_electrical_code.pdf
- https://cdn.shopify.com/s/files/1/0438/8470/7992/files/paxokakajosugob.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009063.bin63a0d4477a49f2288e84c68778829906f92566975d5d2a790cdec9723c7ebec0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9063 | 5768 bytes |
font_01_sfnt_off0000a3ef.binb24eda0e31821466df99119a9c468d30d41d38e2d979e2e83e85c2886243c9f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3EF | 12892 bytes |
font_02_sfnt_off0000ccf7.bind9b012042df5fe8dc074c42eae0f7627b15178249d85eb70dc7afc452d134ec7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCF7 | 16132 bytes |
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