MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high density of external links, many of which point to a redirector service known for malicious activity. The primary malicious URL identified is https://ttraff.cc/pify?keyword=types+of+knowledge+representation+in+artificial+intelligence+pdf, which likely serves as a lure to download further malicious content. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is designed for malicious redirection.
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.cc/pify?keyword=types+of+knowledge+representation+in+artificial+intelligence+pdf In PDF document text
- http://nuzugeze.chemistryverse.com/uploads/1/3/0/7/130739415/vukakirunuxogu-keloduverari-kifaxiz-vizijegem.pdfIn PDF document text
- http://jituge.beneshieldfinancial.com/uploads/1/3/1/0/131070152/fc22b288a.pdfIn PDF document text
- http://kofun.veronicaholisticteacher.com/uploads/1/3/0/8/130814535/topiki.pdfIn PDF document text
- http://files.bostonmedstaffing.com/uploads/1/3/2/3/132303147/8ab7f1188f59.pdfIn PDF document text
- http://files.aviscafineart.com/uploads/1/3/1/8/131856076/dubizareduduje.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/1/0437/7218/2685/files/32079851861.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6926/8373/files/nagipidedujubevakom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5298/9607/files/cancellation_of_contract.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9318/1087/files/terafowebediriret.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9066/4860/files/bufejupebuxunip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2252/3288/files/96053827754.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4979/4213/files/kisukodanetedupepilon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6217/3604/files/duzojijibiguzoza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7228/2008/files/6436376551.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2720/8091/files/docker_machine_ssh.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3526/1085/files/mcmagic_audio_pack.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7676/4327/files/zefojuwanolij.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008e02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E02 | 5532 bytes |
SHA-256: 9fdc3aa98898d0c5adc535a24eeb179fbf911470000f2f894dfcb05c52b2d15a |
|||
font_01_sfnt_off0000a102.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA102 | 13212 bytes |
SHA-256: 3f8a42a091f684b5a2b31f3e1d67b1b3c61c1ecb115c39f52dd9a5a8d22e0e72 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.