MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a link farm and a direct link to a known malicious redirector, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=phonemes+and+allophones+exercises+and+answers+pdf', which is flagged as malicious. The presence of numerous links to PDF files hosted on various domains suggests an attempt to create a link farm for SEO poisoning or to distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
-
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.
-
Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
-
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=phonemes+and+allophones+exercises+and+answers+pdf In PDF document text
- http://bagalu.lifeinsuranceshoppingblog.com/uploads/1/3/0/8/130814297/jemubodijorukepin.pdfIn PDF document text
- http://tijunanub.spice4kids.org/uploads/1/3/0/7/130738720/683907.pdfIn PDF document text
- http://files.renoirpropertygroup.com/uploads/1/3/0/7/130739393/cf987b7b53a17.pdfIn PDF document text
- http://gusupix.eco-logical-resolutions.com/uploads/1/3/2/7/132740405/4873002.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/1/0434/2077/8653/files/62073005179.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3500/7893/files/46767599706.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7372/4825/files/telakesefafixipegexep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4479/8613/files/sixuferejadekusaxujipibez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8669/1998/files/48227004707.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/3587/2667/files/ups_air_waybill_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4456/7197/files/boarding_pass_wedding_invitation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0301/8392/files/que_es_la_caida_de_tension.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1941/0335/files/pesovegobomatipina.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1901/0201/files/getoxebi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2977/3982/files/xamumofolunokotoserejeba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0018/0375/files/meaning_of_product_life_cycle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/68905528383.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_off00005262.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5262 | 5556 bytes |
SHA-256: e833a23d48a9a01910b2b7f9ec707a198dde63e6a18edb2440e7ded4cdc94a37 |
|||
font_01_sfnt_off0000652a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x652A | 10076 bytes |
SHA-256: a3fd32e055ac9c28edee6f049e0cd5dad7f757fee246740835ce19f7bbdd2fd1 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.