MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure for a 'basic electronics pdf tutorial'. The presence of numerous links to external PDFs, many hosted on Shopify, suggests an attempt to manipulate search engine results or distribute content through a seemingly legitimate platform. The primary malicious URL is https://ttraff.ru/pify?keyword=basic+electronics+pdf+tutorial+point, which is a known malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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.
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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.
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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.ru/pify?keyword=basic+electronics+pdf+tutorial+point In PDF document text
- http://files.artsourceco.org/uploads/1/3/0/8/130874210/4757712.pdfIn PDF document text
- http://juket.wompostcoop.com/uploads/1/3/1/4/131454762/bukojo.pdfIn PDF document text
- http://files.conductorbeverlytaylor.com/uploads/1/3/1/6/131606169/narirag.pdfIn PDF document text
- http://files.quicktan423.com/uploads/1/3/0/8/130874086/guletut-zebub-jepuvez.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/1/0431/2442/4853/files/bagnomaria_1999_full_movie.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1243/8685/files/rebere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8063/8879/files/mortgage_broker_fee_agreement_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3182/1473/files/kozixogewewew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8470/0055/files/xagofovejoxefudibefipadud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5000/0791/files/37402779871.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4677/1607/files/mopiba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/4452/8288/files/17219720956.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3669/5959/files/ketikujov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4505/1797/files/ditiwivapesexa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8933/7256/files/gulenuwitatexikoke.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_off0000b7dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7DC | 5200 bytes |
SHA-256: f03052f4482b04c4826d96fe270eb04c9bd003bd8d1a22bed3479a2d49df9def |
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font_01_sfnt_off0000c989.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC989 | 10244 bytes |
SHA-256: e0aa5caeb20ee66903c1a420a04847622d5302de854e5cc58f4ae4239b9c6929 |
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