MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a lure text suggesting it is an analysis report, but its primary function appears to be hosting a large number of external links. One of these links, 'https://ttraff.link/pify?keyword=hydrometer+analysis+report', is flagged as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates the presence of 26 external PDF links, suggesting a link-farming or redirection scheme designed to lead users to malicious content. The ML classifier also strongly indicated maliciousness.
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.link/pify?keyword=hydrometer+analysis+report
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/5552/0673/files/mumefed.pdf
- https://cdn.shopify.com/s/files/1/0432/7797/5712/files/modele_attestation_employeur_2018.pdf
- https://cdn.shopify.com/s/files/1/0436/5703/5929/files/rawefofiwuluvi.pdf
- https://cdn.shopify.com/s/files/1/0431/8609/4248/files/el_materialismo_dialectico.pdf
- https://cdn.shopify.com/s/files/1/0433/7480/5148/files/87270059374.pdf
- https://cdn.shopify.com/s/files/1/0440/8875/4328/files/6140556664.pdf
- https://static.usrfiles.com/ugd/529dbf_6379fa81fddb43a0b1e004347800a1f1.pdf
- https://static.usrfiles.com/ugd/d5d855_0d9040a4365c44dd8adf5e89749df620.pdf
- https://cdn.shopify.com/s/files/1/0433/6379/5096/files/wuromoroxefefu.pdf
- https://cdn.shopify.com/s/files/1/0433/6962/7799/files/tamil_nursery_rhymes_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0428/0582/1599/files/zobipililineb.pdf
- https://cdn.shopify.com/s/files/1/0434/1340/5850/files/xufawefopidiwitup.pdf
- https://cdn.shopify.com/s/files/1/0440/2066/2422/files/anatomy_and_physiology_revealed_3._0_free.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_off000059c6.bin12339bd2c5ed600e4c4eeae3476e57f264f3f4ad0f15fd5fa13b678f2e2be17b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59C6 | 5168 bytes |
font_01_sfnt_off00006b43.binccbe3d4ea6eea1233eebeae0aa0c80c89888df5acee6d05b6d1dc7d7c45e2f23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B43 | 10052 bytes |
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