MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=increment+and+decrement+operators+in+java+with+examples+pdf'. The document body, though heavily obfuscated, contains references to the same URL, suggesting a deliberate attempt to redirect users to malicious infrastructure. The presence of numerous links, including the identified malicious one, indicates a link farm or phishing attempt.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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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.com/pify?keyword=increment+and+decrement+operators+in+java+with+examples+pdf In PDF document text
- http://files.lamaisonneuve.com/uploads/1/3/0/8/130814208/89e0cb44.pdfIn PDF document text
- http://files.rscds-stirling.org/uploads/1/3/0/8/130814351/jomutevogezise.pdfIn PDF document text
- http://files.equestrianeliteatapplejackfarm.com/uploads/1/3/1/4/131453725/dcaa468ae5982f.pdfIn PDF document text
- http://files.adameccleston.net/uploads/1/3/0/8/130874102/2862208.pdfIn PDF document text
- http://files.besttestboosters.com/uploads/1/3/1/6/131606289/lilaxi_misoj_womodamuraw_nabix.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/1/0433/2634/1272/files/exercice_barycentre_logistique_corrig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6818/4993/files/grade_12_maths_probability_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0065/1158/files/the_iliad_penguin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7916/2263/files/sherlock_holmes_truyn.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7730/4484/files/73946430795.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6109/2255/files/abdominal_distension_differential_diagnosis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9967/5040/files/31794054765.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8005/5958/files/an_example_synonym.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2516/9565/files/tidaxorujojumiravoke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0052/9049/files/suvinobukokezurozu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9222/9797/files/dixuvigefuwamutikewod.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_off00005f6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F6A | 5628 bytes |
SHA-256: e895b8b74b9281344476b9b550c2549ca21833f03c4d0b4445e343db36fab395 |
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font_01_sfnt_off0000727e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x727E | 11992 bytes |
SHA-256: b3b1e905e4be8fdec1bf9ae67bafa5c65cd678110b92a827220e3c273eecc449 |
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