MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links designed to create an SEO link farm, directing users to a redirector URL that appears to be malicious. The primary lure is a fake download for an 'artificial intelligence course', which is a common phishing tactic. No scripts were extracted, but the embedded URLs and link farm structure strongly indicate a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
-
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.
-
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.
-
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
-
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.
-
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=artificial+intelligence+course+pdf+download In PDF document text
- http://files.ledgewoodhills.net/uploads/1/3/1/8/131856065/mixidato.pdfIn PDF document text
- http://files.preserveatspringknoll.com/uploads/1/3/1/3/131379040/5439033.pdfIn PDF document text
- http://files.proficiencyfirst.com/uploads/1/3/1/4/131406449/guvevumanonisel.pdfIn PDF document text
- http://files.jessirobertsonmft.com/uploads/1/3/1/3/131381363/c189c4ab9.pdfIn PDF document text
- http://files.silkroadresearchcenter.org/uploads/1/3/1/4/131438708/1bf520.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/1/0432/5857/7046/files/21208423690.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0248/6180/files/63438354276.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9585/0150/files/caso_clinico_anemia_sideroblastica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6769/3474/files/who_s_afraid_of_virginia_woolf_script.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6335/3250/files/sipusexezo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6856/4380/files/latuxamakivurikesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1572/3414/files/xogabulagatarewufajedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6165/8279/files/koputogil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6346/6391/files/dd_bronkopneumonia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6370/4729/files/importancia_de_tomar_agua.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3604/7522/files/a_new_textbook_of_americanism.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7966/1736/files/ivy_tech_accuplacer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6085/3912/files/mesekolirakuporukira.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
- 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_off0000b66f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB66F | 5404 bytes |
SHA-256: e5a28bac45fd99780f35ef0174c559f763c210f0f6c107087599a7e928761f5b |
|||
font_01_sfnt_off0000c8e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8E4 | 1800 bytes |
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
|||
font_02_sfnt_off0000d171.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD171 | 10360 bytes |
SHA-256: 96febc56b8a40f9b2be11ffcc43247044a73cc32c4e5e02043e07a2e130810ed |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.